CVE-2026-14288
LOW 3.1GitLab has remediated an issue in GitLab EE affecting all versions from 17.4 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that under certain conditions could have allowed an authenticated to bypass a required merge request approval policy on a protected branch due to improper access control during approval rule synchronization.
No known exploitation, public exploit, or elevated probability at this time. Track for changes.
Exploitation likelihood
0.2%chance of exploitation in 30 days · 15th percentile
Impact if exploited
3.1CVSS 3.1 · LOW
- ConfidentialityNone
- IntegrityLow
- AvailabilityNone
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ⚠Privileges: Requires a low-privilege account
- ✓User interaction: No user interaction needed
- ⚠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.
Search for new PoCs
Search GitHub now — results may be empty or unverified.
Tracked sources are checked daily for recent CVEs, 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-706: : Use of Incorrectly-Resolved Name or Reference
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
References and research data (JSON)
All CVSS metrics
- LOW 3.1 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N - LOW 3.1 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
References
Exploit-tagged references (not proof of a PoC)
- https://hackerone.com/reports/3797008 CVE record · GitLab · Updated 2026-10-21T23:35:20.426Z
NVD · CVE-2026-14288 · Updated 2026-10-22T16:18:19.040
Advisories
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-107678 EUVD · EUVD-2026-107678
Technical & other
- https://gitlab.com/gitlab-org/gitlab/-/work_items/604630CVE record · GitLab · Updated 2026-10-21T23:35:20.426Z
NVD · CVE-2026-14288 · Updated 2026-10-22T16:18:19.040 - https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/CVE record · GitLab · Updated 2026-10-21T23:35:20.426Z
NVD · CVE-2026-14288 · Updated 2026-10-22T16:18:19.040