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TI-2026-53111 Aliases CVE-2026-75871GHSA-827c-52wf-3g9x

Server-Side Request Forgery (SSRF) in GitLab AI Gateway

Priority HIGH 76CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

GitLab has remediated a vulnerability in the GitLab AI Gateway component affecting all versions of the AI Gateway from 18.10 to 19.0.12, 19.1 to 19.1.7, and 19.2 to 19.2.2 that could have allowed an authenticated user with Duo Agent Platform access to redirect outbound model requests to an externally-controlled endpoint via a crafted inline flow configuration that overrides the HTTP Host header, resulting in disclosure of Google Cloud Vertex cloud service credentials and private signing keys.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00335 27th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed GitLab AI Gateway (GitLab): 19.0.12, 19.1.7, 19.2.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GitLabGitLab AI Gateway18.10 to before 19.0.12; 19.1 to before 19.1.7; 19.2 to before 19.2.219.0.12, 19.1.7, 19.2.2Patch availableCNA
  • GitLab AI Gateway VendorGitLab Affected 18.10 to before 19.0.12; 19.1 to before 19.1.7; 19.2 to before 19.2.2 Fixed in 19.0.12, 19.1.7, 19.2.2 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*18.10.0 to before 19.0.12; 19.1.0 to before 19.1.7; 19.2.0 to before 19.2.2VulnerableGitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:* Versions 18.10.0 to before 19.0.12; 19.1.0 to before 19.1.7; 19.2.0 to before 19.2.2 Vulnerable ·GitLab

Remediation

  • Fix · CNA GitLab AI Gateway (GitLab) Fixed in 19.0.12, 19.1.7, 19.2.2

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    GitLab AI Gateway 19.0.12, 19.1.7, 19.2.2

    2 records Highest priority Priority HIGH 2 HIGH

    Other records, highest priority first

    • TI-2026-16123 Server-Side Request Forgery (SSRF) in GitLab AI GatewayPriority HIGH 71
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-75871
  2. 2026-10-03 Alias added: GHSA-827c-52wf-3g9x

References

Exploit 1

Other 1

  • TI-2026-71508 Integer overflow in GitLab allows code execution on the server KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-58817 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in GitLab KEVCVSS 3.1CRITICAL 10.0
  • TI-2023-06425 Weak Password Recovery Mechanism for Forgotten Password in GitLab KEVCVSS 3.1CRITICAL 10.0
  • TI-2021-05191 Code injection in GitLab KEVCVSS 3.1CRITICAL 10.0
  • TI-2021-05161 Server-side request forgery in GitLab KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-02763 Injection in GitLab CVSS 3.1CRITICAL 9.9
See all 1506 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences