CVE-2026-92883
highGitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain c…
Vendor / product: Gitlab — gitlab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to execute arbitrary JavaScript in the context of other users' browser sessions via a specially crafted repository, due to improper sanitization of HTML attributes in syntax-highlighted output.
CVSS
8.7
8.7 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N Severity source: NVD CVSS v3.1 (cve@gitlab.com)
Timeline (UTC)
Published: 2026-10-13 02:17
Modified: 2026-10-14 20:18
NVD status: Analyzed
Last synced 1 day ago
Verified against the source API 2026-10-27 06:59 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
gitlab / gitlab ≥19.1.0 <19.2.8, ≥19.3.0 <19.3.5, ≥19.4.0 <19.4.2
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/ cve@gitlab.com
- https://gitlab.com/gitlab-org/gitlab/-/work_items/629523 cve@gitlab.com
- https://hackerone.com/reports/3936831 cve@gitlab.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:59 UTC · record ↗
