Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV N L L N C H H N 9.6 .0034 24.6 —
AFFECTED Product Versions Fixed GitLab AI Gateway 18.10 – —
TIMELINE Aug 18 Reserved by GitLab Aug 27 Published (CNA: GitLab) Sep 1 RESCORED — CVE-2026-75871 (GitLab AI Gateway). CVSS 8.2 → 9.6 (NVD).
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.
| Date | Event | Detail |
|---|---|---|
| August 18, 2026 | Reserved | Reserved by GitLab |
| August 27, 2026 | Published | Published (CNA: GitLab) |
| September 1, 2026 | RESCORED | RESCORED — CVE-2026-75871 (GitLab AI Gateway). CVSS 8.2 → 9.6 (NVD). |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| GitLab | GitLab AI Gateway | — | 18.10 | — |
Authoritative record: CVE-2026-75871 at cve.org
Vendors: gitlab
Weaknesses: CWE-918
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-75871 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
