CVE-2026-16627
HIGH 7.7 ALL-YEARSGitLab 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.
Severe if exploited (CVSS 7.7), but no confirmed exploitation. Patch on a normal cadence.
Exploitation likelihood
0.5%chance of exploitation in 30 days · 41st percentile
Impact if exploited
7.7CVSS 3.1 · HIGH · CNA
- ConfidentialityHigh
- IntegrityHigh
- AvailabilityNone
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ⚠Privileges: Requires a low-privilege account
- ⚠User interaction: A user must take an action (click / open a file)
- ⚠Complexity: Needs a race window or specific setup
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept
No public PoC is currently catalogued.
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Tracked sources are checked weekly for the full archive, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.
Data snapshot:
Weakness (CWE)
- CWE-79: : Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
References and research data (JSON)
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Gitlab | Gitlab | ≥ 19.2.0 and < 19.2.2 |
| Gitlab | Gitlab | ≥ 19.2.0 and < 19.2.2 |
All CVSS metrics
- HIGH 7.7 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N - HIGH 7.7 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N - CRITICAL 9 v3.1 · NVD Primary
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
References
Exploit-tagged references (not proof of a PoC)
- https://hackerone.com/reports/3880796 CVE record · GitLab · Updated 2026-08-12T18:05:40.268Z
NVD · CVE-2026-16627 · Updated 2026-08-19T15:59:51.830
Advisories
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-2-released/ CVE record · GitLab · Updated 2026-08-12T18:05:40.268Z
NVD · CVE-2026-16627 · Updated 2026-08-19T15:59:51.830 - https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-57392 EUVD · EUVD-2026-57392
Technical & other
- https://gitlab.com/gitlab-org/gitlab/-/work_items/606678 CVE record · GitLab · Updated 2026-08-12T18:05:40.268Z
NVD · CVE-2026-16627 · Updated 2026-08-19T15:59:51.830
Sources: NVD · CVE.org · All sources and attribution · EPSS