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Bug bounty reports15,219

Publicly disclosed HackerOne reports, with the platform's own outcome and severity.

Program:GitLab
Status:Valid
Clear
Severity
Weakness
Year
Bounty paid92
Access stated
Access needed
Technique
Clear filters234 of 15,219 reports
Disclosed bug bounty reports
ReportStatusWeaknessSeverityDisclosedBountyVotes
Attacker can extract list of private project's project members#128051ValidInformation Disclosure–2016-08-01–10
ReDoS in net/http affects webhooks: Sidekiq job stuck at 100% CPU for a year#1531958ValidDenial of ServiceMedium2022-09-13–9
Installing Gitlab runner with Docker-In-Docker allows root access#1417211ValidAccess Control–2022-02-10$1009
Revoked User can still view the Merge Request created by him via API#962604ValidAccess ControlMedium2021-03-15$1,5009
Unauthorized user is able to access schedule pipeline variables and values#962462ValidInformation DisclosureHigh2020-11-30–9
Container scanning and Dependency scanning report leaked to unauthorized users#676976ValidAccess ControlMedium2019-12-13–9
Users with guest access can post notes to private merge requests, issues, and snippets#195140ValidAccess ControlMedium2017-01-23–9
Markdown based stored XSS (IE only)#118024ValidCross-site Scripting–2017-05-03–9
Path paths and file disclosure vulnerabilities at influxdb.quality.gitlab.net#1643962ValidInformation DisclosureLow2022-11-04–8
Elasticsearch leaks data through the notes scope#710006ValidAccess ControlMedium2020-10-06–8
XSS (Persistent) - Selecting role(s) for protected branches#346111ValidCross-site ScriptingHigh2018-07-16–8
Gitlab.com is vulnerable to reverse tabnabbing. (#2)#212629ValidMisconfiguration and Insecure DesignMedium2017-05-09–8
Gitlab.com is vulnerable to reverse tabnabbing.#211065ValidOpen RedirectLow2017-03-21–8
[RDoc] XSS in project README files#200693ValidCross-site ScriptingMedium2017-02-15–8
Persistent XSS on public project page#129736ValidCross-site Scripting–2016-05-03–8
Todos are not redacted when membership changes - Access to (confidential) issues and merge requests#880863ValidInformation DisclosureMedium2020-11-02–7
Persistent XSS - Deleting a project (No Longer Vulnerable in 10.7)#351554ValidCross-site ScriptingMedium2018-09-20–7
[reStructuredText] XSS in project README files#205497ValidCross-site ScriptingMedium2017-02-15–7
CSRF Token Bypass in Account Deletion#182487ValidCross-Site Request ForgeryLow2017-04-20–7
Private snippets in public / internal projects leaked though GitLab API#134305ValidInformation Disclosure–2016-05-03–7
Labels created in private projects are leaked#132777ValidInformation Disclosure–2016-05-03–7
CSRF-Token leak by request forgery#221432ValidCross-Site Request ForgeryMedium2017-10-09–6
Cookie bomb#221041ValidDenial of ServiceMedium2018-02-16–6
Attacker can post notes on private MR, snippets, and issues#134299ValidAccess Control–2016-05-03–6
Attacker can delete (and read) private project webhooks#134292ValidAccess Control–2016-05-03–6
GFM renderer leaks external issue tracker URL of private project#133717ValidInformation Disclosure–2017-06-08–6
Members from parent group keep their access level on a subgroup transfer and are invisible#790786ValidAccess ControlHigh2020-09-08–5
Project Milestones Disclosed Via Groups When the Victim disabled milestones access in project settings#636560ValidInformation DisclosureLow2019-12-13–5
Gitlab.com is vulnerable to reverse tabnabbing via AsciiDoc links. (#3)#213114ValidMisconfiguration and Insecure DesignMedium2017-05-09–5
[Textile] XSS in project README files#205498ValidCross-site ScriptingMedium2017-02-15–5
Confidential issues leaked in public projects when attached to milestone#134300ValidInformation Disclosure–2016-05-03–5
Initial mirror user can be assigned by other user even if the mirror was removed#819821ValidAccess ControlMedium2020-08-26$3,0004
[Repository Import] Open Redirect via "continue[to]" parameter#215970ValidOpen RedirectMedium2017-04-06–4
Open redirect#214034ValidOpen RedirectMedium2017-04-06–4

Status and severity are HackerOne's. “Access stated” is what the title says; “Access needed” and techniques come from CyberSIXT's analysis of the public report (3,686 analysed so far), which can be wrong. Data as of 2026-11-15.