Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab (CVE-2026-16627)
A cross-site scripting (XSS) vulnerability was identified in GitLab CE/EE versions from 19.2 up to but not including 19.2.2. This issue involved improper sanitization of HTML content rendered in a CI job modal, which under certain conditions could allow an authenticated user with developer-role permissions to escalate privileges. The vulnerability has been remediated in version 19.2.2.
AI Analysis
Technical Summary
CVE-2026-16627 is a cross-site scripting vulnerability in GitLab CE/EE affecting versions >=19.2 and <19.2.2. The flaw arises from improper neutralization of input during web page generation, specifically in the HTML content rendered in a CI job modal. This improper sanitization could enable an authenticated user with developer-role permissions to escalate privileges. The issue has been fixed in GitLab version 19.2.2.
Potential Impact
An authenticated user with developer-role permissions could exploit this vulnerability to escalate privileges within the GitLab environment. This could lead to unauthorized actions beyond the intended permission scope of the developer role. There are no known exploits in the wild at this time.
Mitigation Recommendations
A patch is available and the issue has been fixed in GitLab version 19.2.2. Users should upgrade affected GitLab instances to version 19.2.2 or later to remediate this vulnerability.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab (CVE-2026-16627)
Description
A cross-site scripting (XSS) vulnerability was identified in GitLab CE/EE versions from 19.2 up to but not including 19.2.2. This issue involved improper sanitization of HTML content rendered in a CI job modal, which under certain conditions could allow an authenticated user with developer-role permissions to escalate privileges. The vulnerability has been remediated in version 19.2.2.
Affected software
pkg:github/gitlab-org/gitlabRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-16627 is a cross-site scripting vulnerability in GitLab CE/EE affecting versions >=19.2 and <19.2.2. The flaw arises from improper neutralization of input during web page generation, specifically in the HTML content rendered in a CI job modal. This improper sanitization could enable an authenticated user with developer-role permissions to escalate privileges. The issue has been fixed in GitLab version 19.2.2.
Potential Impact
An authenticated user with developer-role permissions could exploit this vulnerability to escalate privileges within the GitLab environment. This could lead to unauthorized actions beyond the intended permission scope of the developer role. There are no known exploits in the wild at this time.
Mitigation Recommendations
A patch is available and the issue has been fixed in GitLab version 19.2.2. Users should upgrade affected GitLab instances to version 19.2.2 or later to remediate this vulnerability.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-mjv5-423q-gjfg
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-16627"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a7cd3e6bf8831d539180258
Added to database: 08/12/2026, 20:13:26 UTC
Last enriched: 08/21/2026, 17:17:35 UTC
Last updated: 09/25/2026, 01:47:41 UTC
Views: 42
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