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Advisory severityCritical9.9GitLab

Critical [CVE-2026-90970] GitLab has remediated a vulnerability in the GitLab AI Gateway component affecting all versions of the AI Gateway from 18.1.6 before 19.2.4, 19.3 before 19.3.2, and 19.4 before 19.4.1 that, under certain conditions, could have allowed an authenticated user with Duo Agent Platform access to escape the prompt template sandbox via a specially crafted flow configuration, resulting in arbitrary command execution on the AI Gateway

This critical-severity GitLab advisory covers CVE-2026-90970 affecting GitLab AI Gateway.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-90970 Source published Source updated

VulniPulse record published Record updated

CVE-2026-90970
Affected products & platforms
GitLabUnclassified
Open source advisory

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Summary

GitLab has remediated a vulnerability in the GitLab AI Gateway component affecting all versions of the AI Gateway from 18.1.6 before 19.2.4, 19.3 before 19.3.2, and 19.4 before 19.4.1 that, under certain conditions, could have allowed an authenticated user with Duo Agent Platform access to escape the prompt template sandbox via a specially crafted flow configuration, resulting in arbitrary command execution on the AI Gateway.

Affected versions
  • before 19.2.4
  • before 19.3.2
  • before 19.4.1

Official advisory · high-confidence parse· fetched 12 days ago·verify at source

Fixed versions
  • 19.2.4
  • 19.3.2
  • 19.4.1

Official advisory · high-confidence parse· fetched 12 days ago·verify at source

Mitigation

Upgrade to a fixed release: 19.2.4, 19.3.2, 19.4.1. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 12 days ago·verify at source

Discussion(0)

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