CVE-2026-16627
Received Received - Intake

Privilege Escalation in GitLab CE/EE via HTML Sanitization Flaw

Vulnerability report for CVE-2026-16627, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-12

Last updated on: 2026-08-12

Assigner: GitLab Inc.

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to escalate privileges due to improper sanitization of HTML content rendered in a CI job modal.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-08-12
Last Modified
2026-08-12
Generated
2026-08-13
AI Q&A
2026-08-12
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
gitlab gitlab_ce From 19.2 (inc) to 19.2.2 (exc)
gitlab gitlab_ee From 19.2 (inc) to 19.2.2 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

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Executive Summary

This vulnerability in GitLab CE/EE (versions 19.2 before 19.2.2) allows an authenticated user with developer-role permissions to escalate privileges. It occurs due to improper sanitization of HTML content rendered in a CI job modal, potentially enabling unauthorized actions.

Impact Analysis

An attacker with developer access could exploit this to gain higher privileges, potentially modifying system settings, accessing sensitive data, or performing unauthorized actions within GitLab projects.

Mitigation Strategies

Upgrade GitLab CE/EE to version 19.2.2 or later to address the improper HTML sanitization issue that allows privilege escalation.

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