CVE-2026-7767
MEDIUM 5.8GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.11 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 controlling a Kubernetes agent to cause sensitive authentication tokens to be sent to an unintended server due to improper redirect validation in the Kubernetes proxy.
No known exploitation, public exploit, or elevated probability at this time. Track for changes.
Exploitation likelihood
0.3%chance of exploitation in 30 days · 22nd percentile
Impact if exploited
5.8CVSS 3.1 · MEDIUM
- ConfidentialityHigh
- IntegrityNone
- 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.
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-601: : URL Redirection to Untrusted Site ('Open Redirect')
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N
References and research data (JSON)
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Gitlab | Gitlab | ≥ 13.11.0 and < 19.2.8 |
| Gitlab | Gitlab | ≥ 13.11.0 and < 19.2.8 |
| Gitlab | Gitlab | ≥ 19.3.0 and < 19.3.5 |
| Gitlab | Gitlab | ≥ 19.3.0 and < 19.3.5 |
| Gitlab | Gitlab | ≥ 19.4.0 and < 19.4.2 |
| Gitlab | Gitlab | ≥ 19.4.0 and < 19.4.2 |
All CVSS metrics
- MEDIUM 5.8 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N - MEDIUM 5.8 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N
References
Exploit-tagged references (not proof of a PoC)
- https://hackerone.com/reports/3597095 CVE record · GitLab · Updated 2026-10-13T01:09:21.168Z
NVD · CVE-2026-7767 · Updated 2026-10-14T19:17:21.423
Advisories
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/ CVE record · GitLab · Updated 2026-10-13T01:09:21.168Z
NVD · CVE-2026-7767 · Updated 2026-10-14T19:17:21.423 - https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-98228 EUVD · EUVD-2026-98228
Technical & other
- https://gitlab.com/gitlab-org/gitlab/-/work_items/598965 CVE record · GitLab · Updated 2026-10-13T01:09:21.168Z
NVD · CVE-2026-7767 · Updated 2026-10-14T19:17:21.423