CVE-2026-13319
MEDIUM 4.3GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, could have allowed an authenticated to read milestone metadata, including titles, descriptions, and full project paths, from arbitrary private projects across the instance without any project membership, due to missing authorization checks on a user-supplied project filter parameter in the group milestones API.
No known exploitation, public exploit, or elevated probability at this time. Track for changes.
Exploitation likelihood
0.2%chance of exploitation in 30 days · 12th percentile
Impact if exploited
4.3CVSS 3.1 · MEDIUM
- ConfidentialityLow
- IntegrityNone
- 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
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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-639: : Authorization Bypass Through User-Controlled Key
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
References and research data (JSON)
All CVSS metrics
- MEDIUM 4.3 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - MEDIUM 4.3 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
References
Exploit-tagged references (not proof of a PoC)
- https://hackerone.com/reports/3792168 CVE record · GitLab · Updated 2026-10-21T23:35:25.440Z
NVD · CVE-2026-13319 · Updated 2026-10-22T16:18:19.040
Advisories
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-107679 EUVD · EUVD-2026-107679
Technical & other
- https://gitlab.com/gitlab-org/gitlab/-/work_items/604064CVE record · GitLab · Updated 2026-10-21T23:35:25.440Z
NVD · CVE-2026-13319 · Updated 2026-10-22T16:18:19.040 - https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/CVE record · GitLab · Updated 2026-10-21T23:35:25.440Z
NVD · CVE-2026-13319 · Updated 2026-10-22T16:18:19.040