TOPGITLAB.md

Top reports from GitLab program at HackerOne:

1. Arbitrary file read via the UploadsRewriter when moving and issue to GitLab - 1428 upvotes, $20000
2. Git flag injection - local file overwrite to remote code execution to GitLab - 759 upvotes, $12000
3. Exfiltrate and mutate repository and project data through injected templated service to GitLab - 732 upvotes, $11000
4. Stored XSS in Wiki pages to GitLab - 595 upvotes, $4500
5. Local files could be overwritten in GitLab, leading to remote command execution to GitLab - 536 upvotes, $12000
6. RCE when removing metadata with ExifTool to GitLab - 476 upvotes, $20000
7. Project Template functionality can be used to copy private project data, such as repository, confidential issues, snippets, and merge requests to GitLab - 438 upvotes, $12000
8. RCE via unsafe inline Kramdown options when rendering certain Wiki pages to GitLab - 408 upvotes, $20000
9. gitlab-workhorse bypass in Gitlab::Middleware::Multipart allowing files in allowed_paths to be read to GitLab - 397 upvotes, $10000
10. JSON serialization of any Project model results in all Runner tokens being exposed through Quick Actions to GitLab - 353 upvotes, $12000
11. Bypass of GitLab CI runner slash fix in YAML validation to GitLab - 352 upvotes, $12000
12. SSRF on project import via the remote_attachment_url on a Note to GitLab - 339 upvotes, $10000
13. Attacker is able to access commit title and team member comments which are supposed to be private to GitLab - 337 upvotes, $7000
14. Server Side Request Forgery mitigation bypass to GitLab - 330 upvotes, $3500
15. Full access to internal Gitlab instances at redash.gitlab.com, dashboards.gitlab.com, prometheus.gitlab.com to GitLab - 300 upvotes, $9500
16. An attacker can run pipeline jobs as arbitrary user to GitLab - 299 upvotes, $12000
17. Cross-site Scripting (XSS) - Stored in RDoc wiki pages to GitLab - 276 upvotes, $3500
18. Stored XSS in markdown via the DesignReferenceFilter to GitLab - 275 upvotes, $16000
19. Arbitrary file read via the bulk imports UploadsPipeline to GitLab - 272 upvotes, $29000
20. RCE via the DecompressedArchiveSizeValidator and Project BulkImports (behind feature flag) to GitLab - 243 upvotes, $33510
21. Remote Command Execution via Github import to GitLab - 236 upvotes, $33510
22. Bypass Email Verification -- Able to Access Internal Gitlab Services that use Login with Gitlab and Perform Check on email domain to GitLab - 236 upvotes, $3000
23. RCE via github import to GitLab - 233 upvotes, $33510
24. Privilege escalation from any user (including external) to gitlab admin when admin impersonates you to GitLab - 228 upvotes, $10000
25. Unauthenticated blind SSRF in OAuth Jira authorization controller to GitLab - 221 upvotes, $4000
26. Ability to bypass email verification for OAuth grants results in accounts takeovers on 3rd parties to GitLab - 221 upvotes, $3000
27. Steal private objects of other projects via project import to GitLab - 209 upvotes, $20000
28. Ability To Delete User(s) Account Without User Interaction to GitLab - 209 upvotes, $3000
29. Group search leaks private MRs, code, commits to GitLab - 205 upvotes, $7000
30. Full Read SSRF on Gitlab's Internal Grafana to GitLab - 202 upvotes, $12000
31. Arbitrary file read during project import to GitLab - 174 upvotes, $16000
32. Git flag injection leading to file overwrite and potential remote code execution to GitLab - 168 upvotes, $3500
33. Snippet JS template allows attacker to read a user's private snippets to GitLab - 163 upvotes, $300
34. information disclosure of secret_key_base via encoding charcters to GitLab - 144 upvotes, $3500
35. DoS on the Issue page by exploiting Mermaid. to GitLab - 138 upvotes, $3000
36. Importing GitLab project archives can replace uploads of other users to GitLab - 137 upvotes, $5000
37. Stored XSS in Notes (with CSP bypass for gitlab.com) to GitLab - 136 upvotes, $13950
38. Path traversal, to RCE to GitLab - 136 upvotes, $12000
39. Persistent XSS in Note objects to GitLab - 134 upvotes, $4500
40. Send arbitrary PUT requests when user clicks on a link to GitLab - 132 upvotes, $3000
41. Git flag injection - Search API with scope 'blobs' to GitLab - 125 upvotes, $7000
42. Stored XSS in custom emoji to GitLab - 120 upvotes, $3000
43. Read files on application server, leads to RCE to GitLab - 111 upvotes, $0
44. Private objects exposed through project import to GitLab - 101 upvotes, $20000
45. Able to view hackerone reports attachments to GitLab - 96 upvotes, $12000
46. Group search with Elastic search enable leaks unrelated data to GitLab - 95 upvotes, $7000
47. XSS in request approvals to GitLab - 93 upvotes, $3000
48. CSP-bypass XSS in project settings page to GitLab - 87 upvotes, $10270
49. Stored XSS in "Create Groups" to GitLab - 86 upvotes, $2500
50. Path traversal in Nuget Package Registry to GitLab - 83 upvotes, $12000
51. Unrestricted file upload leads to Stored XSS to GitLab - 82 upvotes, $1500
52. DoS attack via comment on Issue to GitLab - 79 upvotes, $1000
53. New /add_contacts /remove_contacts quick commands susseptible to XSS from Customer Contact firstname/lastname fields to GitLab - 77 upvotes, $13950
54. GitLab-Runner on Windows DOCKER_AUTH_CONFIG container host Command Injection to GitLab - 74 upvotes, $6500
55. Stored XSS in main page of a project caused by arbitrary script payload in group "Default initial branch name" to GitLab - 73 upvotes, $3000
56. XSS in ZenTao integration affecting self hosted instances without strict CSP to GitLab - 71 upvotes, $13950
57. Cache poisoning Denial of Service affecting assets.gitlab-static.net to GitLab - 69 upvotes, $4850
58. SSRF in CI after first run to GitLab - 69 upvotes, $3000
59. CSRF on /api/graphql allows executing mutations through GET requests to GitLab - 66 upvotes, $3370
60. GitLab::UrlBlocker validation bypass leading to full Server Side Request Forgery to GitLab - 63 upvotes, $5000
61. RepositoryPipeline allows importing of local git repos to GitLab - 59 upvotes, $22300
62. Privilege escalation of "external user" (with maintainer privilege) to internal access through project token to GitLab - 59 upvotes, $1020
63. GraphQL query "namespace" leaks data to GitLab - 58 upvotes, $1000
64. [Admin Panel] CSRF to resume/pause runner to GitLab - 57 upvotes, $500
65. Know whether private project name exists or not within a group using link comments to GitLab - 57 upvotes, $300
66. Stored-XSS on wiki pages to GitLab - 56 upvotes, $1500
67. Ability to access all user authentication tokens, leads to RCE to GitLab - 56 upvotes, $0
68. FogBugz import attachment full SSRF requiring vulnerability in *.fogbugz.com to GitLab - 51 upvotes, $6000
69. Stored XSS via Mermaid Prototype Pollution vulnerability to GitLab - 50 upvotes, $3000
70. All functions that allow users to specify color code are vulnerable to ReDoS to GitLab - 50 upvotes, $1000
71. Clientside resource Exhausting by exploiting gitlab math rendering to GitLab - 50 upvotes, $1000
72. Stored XSS on the job page to GitLab - 49 upvotes, $3000
73. Command injection by overwriting authorized_keys file through GitLab import to GitLab - 49 upvotes, $2000
74. Change project visibility to a restricted option to GitLab - 49 upvotes, $1370
75. Guest users can create new test cases to GitLab - 49 upvotes, $650
76. Access to GitLab's Slack by abusing issue creation from e-mail to GitLab - 49 upvotes, $0
77. Bypass Email Verification using Salesforce -- Reproducible in gitlab.com to GitLab - 48 upvotes, $1500
78. EXIF metadata not stripped from JPG group logos to GitLab - 48 upvotes, $500
79. Stored XSS in markdown when redacting references to GitLab - 47 upvotes, $5000
80. XSS on Issue reference numbers to GitLab - 47 upvotes, $1500
81. Content injection in Jira issue title enabling sending arbitrary POST request as victim to GitLab - 46 upvotes, $8690
82. RCE via WikiCloth markdown rendering if the rubyluabridge gem is installed to GitLab - 46 upvotes, $3000
83. Arbitrary POST request as victim user from HTML injection in Jupyter notebooks to GitLab - 44 upvotes, $8690
84. View the Starred Projects in a Private Profile to GitLab - 44 upvotes, $500
85. Stored XSS via Mermaid Prototype Pollution vulnerability to GitLab - 43 upvotes, $3000
86. Stored XSS in Mermaid when viewing Markdown files to GitLab - 42 upvotes, $3000
87. GitLab CI runner can read and poison cache of all other projects to GitLab - 41 upvotes, $2000
88. Milestones leaked via search API to GitLab - 40 upvotes, $1000
89. When you call your branch the same name as a git hash, it could be checked out by dependents to GitLab - 39 upvotes, $2000
90. Kroki Arbitrary File Read/Write to GitLab - 38 upvotes, $5600
91. SQL injection in MilestoneFinder order method to GitLab - 38 upvotes, $2000
92. Improper access control for users with expired password, giving the user full access through API and Git to GitLab - 38 upvotes, $950
93. XSS: v-safe-html is not safe enough to GitLab - 36 upvotes, $6580
94. Store-XSS in error message of build-dependencies to GitLab - 35 upvotes, $3000
95. Stored XSS in blob viewer to GitLab - 35 upvotes, $2000
96. A deactivated user can access data through GraphQL to GitLab - 35 upvotes, $1370
97. Using GitLab to monitor and hijack domains in mass quantity. to GitLab - 35 upvotes, $750
98. Bypassing push rules via MRs created by Email to GitLab - 33 upvotes, $3000
99. Injection of http.\<url\>.* git config settings leading to SSRF to GitLab - 33 upvotes, $3000
100. Stored XSS on issue comments and other pages which contain notes to GitLab - 32 upvotes, $3000
101. Clipboard DOM-based XSS to GitLab - 32 upvotes, $500
102. Stored-XSS in merge requests to GitLab - 31 upvotes, $3500
103. Evaluating Ruby code by injecting Rescue job on the system_hook_push queue through web hook to GitLab - 31 upvotes, $750
104. Exposure of a valid Gitlab-Workhorse JWT leading to various bad things to GitLab - 30 upvotes, $10000
105. Uncontrolled Resource Consumption in any Markdown field using Mermaid to GitLab - 30 upvotes, $1000
106. Insecure 2FA/authentication implementation creates a brute force vulnerability to GitLab - 30 upvotes, $0
107. Vulnerability in project import leads to arbitrary command execution to GitLab - 30 upvotes, $0
108. Stored XSS in merge request creation page through payload in approval rule name to GitLab - 29 upvotes, $3000
109. Remote hacker can download all the files of master branch in public projects where everything is members only. to GitLab - 29 upvotes, $1500
110. Privilege escalation due to insecure use of logrotate to GitLab - 29 upvotes, $1000
111. Mailgun misconfiguration leads to email snooping and postmaster@-access on email.mg.gitlab.com to GitLab - 28 upvotes, $0
112. Stored XSS in group issue list to GitLab - 27 upvotes, $2000
113. Able to leak private email of any user given his/her username via graphql to GitLab - 27 upvotes, $750
114. Access Projects And create projects in gitlab pre production server to GitLab - 26 upvotes, $1000
115. Stored DOM XSS via Mermaid chart to GitLab - 25 upvotes, $3000
116. Guest Users can create issues for Sentry errors and track their status to GitLab - 25 upvotes, $610
117. GitLab's GitHub integration is vulnerable to SSRF vulnerability to GitLab - 24 upvotes, $2000
118. No redirect_uri in the db for web-internal clientKey leads to one-click DoS on gitter.im to GitLab - 24 upvotes, $1000
119. Persistent XSS via e-mail when creating merge requests to GitLab - 24 upvotes, $750
120. A profile page of a user can be denied from loading by appending .html to the username to GitLab - 24 upvotes, $200
121. Stored XSS on PyPi simple API endpoint to GitLab - 23 upvotes, $3000
122. Unauthorized access to private project security dashboard to GitLab - 23 upvotes, $2000
123. Stored XSS in repository file viewer to GitLab - 23 upvotes, $2000
124. Last build status and coverage leaked to unauthorized users to GitLab - 23 upvotes, $750
125. Drive-by arbitrary file deletion in the GDK via letter_opener_web gem to GitLab - 23 upvotes, $750
126. IDOR in "external status check" API leaks data about any status check on the instance to GitLab - 23 upvotes, $610
127. DOS via issue preview to GitLab - 22 upvotes, $7640
128. Unauthorized users may be able to view almost all informations related to Private projects. to GitLab - 22 upvotes, $0
129. SafeParamsHelper::safe_params is not so safe to GitLab - 21 upvotes, $4000
130. Possibilty to purchase Ultimate - 1 Year (EDU or OSS) to GitLab - 21 upvotes, $500
131. Stealing data from customers.gitlab.com without user interaction to GitLab - 20 upvotes, $3500
132. Claiming package names in GitLab's automatic package referencer. to GitLab - 20 upvotes, $1000
133. Add and Access to Labels of any Private Projects/Groups of Gitlab(IDOR) to GitLab - 20 upvotes, $1000
134. Instant open redirect on Live preview WEB Ide opening to GitLab - 20 upvotes, $1000
135. CSV injection in gitlab.com via issues export feature. to GitLab - 20 upvotes, $0
136. all private tokens are leaked to an unauthenticated attacker to GitLab - 20 upvotes, $0
137. [Markdown] Stored XSS via character encoding parser bypass to GitLab - 20 upvotes, $0
138. CRLF injection & SSRF in git:// protocal lead to arbitrary code execution to GitLab - 19 upvotes, $0
139. Gitlab is vulnerable to impersonation attacks due to broken links to GitLab - 18 upvotes, $0
140. Stored XSS for Grafana dashboard URL to GitLab - 17 upvotes, $2500
141. Private System Note Disclosure using GraphQL to GitLab - 17 upvotes, $1000
142. Reporters can upload design to issues using the "Move to" feature to GitLab - 17 upvotes, $600
143. Bypassing password authentication of users that have 2FA enabled to GitLab - 17 upvotes, $0
144. Race condition in GitLab import, giving access to other people their imports due to filename collision to GitLab - 17 upvotes, $0
145. Stored XSS in merge request pages to GitLab - 17 upvotes, $0
146. Insufficient Type Check leading to Developer ability to delete Project, Repository, Group, ... to GitLab - 16 upvotes, $5000
147. DOS via move_issue to GitLab - 16 upvotes, $2300
148. Privilege escalation to access all private groups and repositories to GitLab - 16 upvotes, $0
149. Stored XSS on Files overview by abusing git submodule URL to GitLab - 16 upvotes, $0
150. SSRF vulnerability in gitlab.com via project import. to GitLab - 16 upvotes, $0
151. Stored XSS on Issue details page to GitLab - 15 upvotes, $0
152. Sending Arbitrary Requests through Jupyter Notebooks on gitlab.com and Self-Hosted GitLab Instances to GitLab - 14 upvotes, $1500
153. Insufficient Type Check on GraphQL leading to Maintainer delete repository to GitLab - 13 upvotes, $4000
154. GitHub import allows user to create child group under existing namespace to GitLab - 13 upvotes, $750
155. ReDoS in syntax highlighting due to Rouge to GitLab - 13 upvotes, $600
156. [information disclosure] Validate existence of a private project. to GitLab - 13 upvotes, $500
157. Persistent XSS on public wiki pages to GitLab - 13 upvotes, $0
158. User with guest access can access private merge requests to GitLab - 13 upvotes, $0
159. Unauthorized access to GitLab - 13 upvotes, $0
160. Transferring a public group to a private group doesn't remove code from the Elastichsearch API search result to GitLab - 12 upvotes, $3000
161. Removing a user from a private group doesn't remove him from group's project, if his project's role was changed to GitLab - 12 upvotes, $2000
162. SSRF In plantuml (on plantuml.pre.gitlab.com) to GitLab - 12 upvotes, $100
163. Every user can delete public deploy keys to GitLab - 12 upvotes, $0
164. HTML TAG INJECTION ON PROFILE NAME to GitLab - 12 upvotes, $0
165. Inadequate cache control in gitter allows to view private chat room to GitLab - 12 upvotes, $0
166. GraphQL Query leads to sensitive information disclosure to GitLab - 12 upvotes, $0
167. SSRF into Shared Runner, by replacing dockerd with malicious server in Executor to GitLab - 11 upvotes, $2000
168. "External status checks" can be accepted by users below developer access if the user is either author or assignee of the target merge request to GitLab - 11 upvotes, $610
169. State filter in IssuableFinder allows attacker to delete all issues and merge requests to GitLab - 11 upvotes, $0
170. Unfiltered class attribute in markdown code to GitLab - 11 upvotes, $0
171. SSRF when importing a project from a git repo by URL to GitLab - 11 upvotes, $0
172. Container escape on public GitLab CI runners to GitLab - 11 upvotes, $0
173. XSS by clicking Jira's link to GitLab - 10 upvotes, $1130
174. Head pipeline leaked to unauthorized users via blocking merge request feature to GitLab - 10 upvotes, $1000
175. Guest users can change the confidentiality attribute on those issues that have been assigned to them to GitLab - 10 upvotes, $100
176. XSS On meta tags in profile page to GitLab - 10 upvotes, $0
177. Users can download old project exports due to unclaimed namespace to GitLab - 10 upvotes, $0
178. Impersonation attack via Broken Link in Resellers Page to GitLab - 10 upvotes, $0
179. Persistent XSS - Selecting users as allowed merge request approvers to GitLab - 10 upvotes, $0
180. Unauthorized user is able to access schedule pipeline variables and values to GitLab - 9 upvotes, $3000
181. Unauthenticated IP allowlist bypass when accessing job artifacts through gitlab pages at {group_id}.gitlab.io to GitLab - 9 upvotes, $1990
182. Gitlab Pages token theft using service workers to GitLab - 9 upvotes, $1680
183. Blocked user Git access through CI/CD token to GitLab - 9 upvotes, $1500
184. Last pipeline status for MR leaked to GitLab - 9 upvotes, $750
185. Installing Gitlab runner with Docker-In-Docker allows root access to GitLab - 9 upvotes, $100
186. Attacker can extract list of private project's project members to GitLab - 9 upvotes, $0
187. Boards leak private label names and desciptions to GitLab - 9 upvotes, $0
188. Users with guest access can post notes to private merge requests, issues, and snippets to GitLab - 9 upvotes, $0
189. SSRF vulnerability in gitlab.com webhook to GitLab - 9 upvotes, $0
190. Container scanning and Dependency scanning report leaked to unauthorized users to GitLab - 8 upvotes, $3000
191. ReDoS in net/http affects webhooks: Sidekiq job stuck at 100% CPU for a year to GitLab - 8 upvotes, $1160
192. Markdown based stored XSS (IE only) to GitLab - 8 upvotes, $0
193. Gitlab.com is vulnerable to reverse tabnabbing. (#2) to GitLab - 8 upvotes, $0
194. XSS (Persistent) - Selecting role(s) for protected branches to GitLab - 8 upvotes, $0
195. Revoked User can still view the Merge Request created by him via API to GitLab - 7 upvotes, $1500
196. Elasticsearch leaks data through the notes scope to GitLab - 7 upvotes, $1000
197. [RDoc] XSS in project README files to GitLab - 7 upvotes, $0
198. [reStructuredText] XSS in project README files to GitLab - 7 upvotes, $0
199. Gitlab.com is vulnerable to reverse tabnabbing. to GitLab - 7 upvotes, $0
200. [Subgroups] Unprivileged User Can Disclose Private Group Names to GitLab - 7 upvotes, $0
201. Persistent XSS - Deleting a project (No Longer Vulnerable in 10.7) to GitLab - 7 upvotes, $0
202. Responsible Disclosure of Privacy Leakage Issue to GitLab - 7 upvotes, $0
203. Todos are not redacted when membership changes - Access to (confidential) issues and merge requests to GitLab - 6 upvotes, $2000
204. Labels created in private projects are leaked to GitLab - 6 upvotes, $0
205. Persistent XSS on public project page to GitLab - 6 upvotes, $0
206. CSRF Token Bypass in Account Deletion to GitLab - 6 upvotes, $0
207. GFM renderer leaks external issue tracker URL of private project to GitLab - 6 upvotes, $0
208. Potensial SSRF via Git repository URL to GitLab - 6 upvotes, $0
209. Double linking cause XSS (but blokeced by CSP in gitlab.com) to GitLab - 6 upvotes, $0
210. Adding everyone to the repo due to the lack of rate limit to GitLab - 6 upvotes, $0
211. Stored-XSS in merge requests to GitLab - 6 upvotes, $0
212. Bypass for Domain-level redirects (Unvalidated Redirects and Forwar) to GitLab - 6 upvotes, $0
213. Path paths and file disclosure vulnerabilities at influxdb.quality.gitlab.net to GitLab - 5 upvotes, $100
214. Attacker can post notes on private MR, snippets, and issues to GitLab - 5 upvotes, $0
215. Attacker can delete (and read) private project webhooks to GitLab - 5 upvotes, $0
216. [Textile] XSS in project README files to GitLab - 5 upvotes, $0
217. Gitlab.com is vulnerable to reverse tabnabbing via AsciiDoc links. (#3) to GitLab - 5 upvotes, $0
218. Cookie bomb to GitLab - 5 upvotes, $0
219. Guests Will Disclose the Private Project Full Activity Via Project Activity Feeds to GitLab - 5 upvotes, $0
220. Private snippets in public / internal projects leaked though GitLab API to GitLab - 4 upvotes, $0
221. Confidential issues leaked in public projects when attached to milestone to GitLab - 4 upvotes, $0
222. [Repository Import] Open Redirect via "continue[to]" parameter to GitLab - 4 upvotes, $0
223. CSRF-Token leak by request forgery to GitLab - 4 upvotes, $0
224. Dependecy Confusion via Lookup Request Forwarding to PyPi.org to GitLab - 4 upvotes, $0
225. Members from parent group keep their access level on a subgroup transfer and are invisible to GitLab - 3 upvotes, $4000
226. Initial mirror user can be assigned by other user even if the mirror was removed to GitLab - 3 upvotes, $3000
227. Project Milestones Disclosed Via Groups When the Victim disabled milestones access in project settings to GitLab - 3 upvotes, $1000
228. Open redirect to GitLab - 3 upvotes, $0
229. SSRF via git Repo by URL Abuse to GitLab - 2 upvotes, $0
230. Lack of validation before assigning custom domain names leading to abuse of GitLab pages service to GitLab - 2 upvotes, $0
231. Email notification about login email changed is not received when using verified linked email address to GitLab - 2 upvotes, $0
232. Found Origin IP's lead to access to gitlab to GitLab - 2 upvotes, $0
233. Use of Ruby Forwardable module and runtime meta-programming may introduce vulnerabilities to GitLab - 1 upvotes, $0
234. No Restriction on password to GitLab - 1 upvotes, $0
235. Missing/Breach of Internal Security Boundary - Access to Job Queue Results in Remote Code Execution to GitLab - 0 upvotes, $0