CVE-2026-105458
MEDIUM 4.3GitLab has remediated an issue in GitLab 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 holding a specific granular permission to obtain a GitLab Duo Agent Platform token that bypasses governance controls, due to reliance on untrusted input in a security decision.
No known exploitation, public exploit, or elevated probability at this time. Track for changes.
Exploitation likelihood
0.2%chance of exploitation in 30 days · 9th percentile
Impact if exploited
4.3CVSS 3.1 · MEDIUM
- 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: No special conditions — reliably repeatable
✓ 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-807: : Reliance on Untrusted Inputs in a Security Decision
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
References and research data (JSON)
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Gitlab | Gitlab | ≥ 19.1.0 and < 19.2.8 |
| Gitlab | Gitlab | ≥ 19.3.0 and < 19.3.5 |
| Gitlab | Gitlab | ≥ 19.4.0 and < 19.4.2 |
All CVSS metrics
- MEDIUM 4.3 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - MEDIUM 4.3 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
References
Advisories
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/ CVE record · GitLab · Updated 2026-10-13T01:04:51.348Z
NVD · CVE-2026-105458 · Updated 2026-10-14T14:10:17.400 - https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-98207 EUVD · EUVD-2026-98207
Technical & other
- https://gitlab.com/gitlab-org/gitlab/-/work_items/627711 CVE record · GitLab · Updated 2026-10-13T01:04:51.348Z
NVD · CVE-2026-105458 · Updated 2026-10-14T14:10:17.400