BIT-gitlab-2026-10712: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
A cross-site scripting (XSS) vulnerability exists in GitLab CE/EE versions from 18.10 up to but not including 18.11.6, 19.0 up to but not including 19.0.3, and 19.1 up to but not including 19.1.1. This vulnerability allows an unauthenticated user to execute arbitrary JavaScript in a user's browser session due to improper path validation during web page generation. The issue has been remediated in the specified fixed versions.
AI Analysis
Technical Summary
GitLab CE/EE contained an XSS vulnerability caused by improper neutralization of input during web page generation. Under certain conditions, unauthenticated attackers could exploit improper path validation to inject and execute arbitrary JavaScript in the context of a victim user's browser session. This affects versions >=18.10.0 <18.11.6, >=19.0.0 <19.0.3, and >=19.1.0 <19.1.1. The vulnerability has been fixed in versions 18.11.6, 19.0.3, and 19.1.1 respectively.
Potential Impact
Successful exploitation could allow an unauthenticated attacker to execute arbitrary JavaScript in the browser session of a GitLab user, potentially leading to session hijacking, information disclosure, or other client-side impacts. However, there are no known exploits in the wild at this time.
Mitigation Recommendations
Upgrade GitLab CE/EE to versions 18.11.6, 19.0.3, or 19.1.1 or later to apply the official fix. No other mitigations are indicated as the vulnerability is addressed in these releases.
BIT-gitlab-2026-10712: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
Description
A cross-site scripting (XSS) vulnerability exists in GitLab CE/EE versions from 18.10 up to but not including 18.11.6, 19.0 up to but not including 19.0.3, and 19.1 up to but not including 19.1.1. This vulnerability allows an unauthenticated user to execute arbitrary JavaScript in a user's browser session due to improper path validation during web page generation. The issue has been remediated in the specified fixed versions.
Affected software
pkg:bitnami/gitlabRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
GitLab CE/EE contained an XSS vulnerability caused by improper neutralization of input during web page generation. Under certain conditions, unauthenticated attackers could exploit improper path validation to inject and execute arbitrary JavaScript in the context of a victim user's browser session. This affects versions >=18.10.0 <18.11.6, >=19.0.0 <19.0.3, and >=19.1.0 <19.1.1. The vulnerability has been fixed in versions 18.11.6, 19.0.3, and 19.1.1 respectively.
Potential Impact
Successful exploitation could allow an unauthenticated attacker to execute arbitrary JavaScript in the browser session of a GitLab user, potentially leading to session hijacking, information disclosure, or other client-side impacts. However, there are no known exploits in the wild at this time.
Mitigation Recommendations
Upgrade GitLab CE/EE to versions 18.11.6, 19.0.3, or 19.1.1 or later to apply the official fix. No other mitigations are indicated as the vulnerability is addressed in these releases.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- BIT-gitlab-2026-10712
- Osv Schema Version
- 1.6.2
- Aliases
- ["CVE-2026-10712"]
- Ecosystems
- ["Bitnami"]
- Database Specific Severity
- Medium
- Cvss Version
- null
Threat ID: 6a42ed7427e9c7971993935e
Added to database: 06/29/2026, 22:11:00 UTC
Last enriched: 06/29/2026, 22:39:48 UTC
Last updated: 06/29/2026, 23:29:28 UTC
Views: 3
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.