HIGHVulnerability

CVE-2026-75871

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.

Properties

severity
HIGH
score
8.2
epss_score
0.00192
cve_id
CVE-2026-75871
vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
published_at
2026-08-27T17:20:01.503
last_modified
2026-09-01T20:32:55.990
epss_percentile
0.08914

Related Entities (4)

ENRICHED_BY (1)

[Source]FIRST EPSS

HAS_WEAKNESS (1)

[Weakness]Server-Side Request Forgery (SSRF)

DESCRIBED_BY (1)

[Source]NVD

AFFECTS_PRODUCT (1)

[Product]

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CVE-2026-75871 — Ninja Signal Threat Intelligence | Ninja Signal