CriticalVulnerability

CVE-2026-90970: GitLab has remediated a vulnerability in the GitLab AI Gateway component affecting all versions of the AI Gateway from…

Source: NVD(opens in a new tab)
Identifier: CVE-2026-90970
Published: October 2, 2026
Record updated: October 9, 2026

Summary

GitLab fixed a vulnerability in its AI Gateway component, CVE-2026-90970, affecting versions from 18.1.6 before 19.2.4, 19.3 before 19.3.2, and 19.4 before 19.4.1. Under certain conditions, an authenticated user with Duo Agent Platform access could escape the prompt template sandbox through a specially crafted flow configuration and execute arbitrary commands on the AI Gateway.

Mitigation

The source does not state a fix yet. Check the original advisory for updates.

Details

Scores and exploitation

CVSS score: 9.9(critical)
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector: network
Attack complexity: low
Privileges required: low
User interaction: none
EPSS: Not scored. FIRST has not published an EPSS score for this CVE yet.
Disclosure date: October 2, 2026

Weaknesses and techniques

Weakness (CWE): CWE-1336
AI threat technique (MITRE ATLAS): AML.T0051

Affected

Vendors: Google

Classification

Attack type: Other
Attack sophistication: Moderate
AI component targeted: Framework
Impact: Confidentiality,
Integrity,
Availability
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-90970

First tracked: October 2, 2026 at 02:08 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 90% (self-assessed)

Summary

Mitigation

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