GitLab Self-Hosted AI Gateway immediate update advisory (CVE-2026-90970)
Advisory/Mitigation
Summary
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GitLab issued immediate update guidance for GitLab Self-Managed customers running Self-Hosted AI Gateway after fixing CVE-2026-90970, a flaw that could allow arbitrary command execution on unpatched instances. The company released 19.2.4, 19.3.2, and 19.4.1 and told affected users to upgrade immediately. GitLab-hosted AI Gateway users are already protected and do not need action.
Related Happenings
GitLab security patch release for CVE-2026-97229
Security Patch Release
H score37
First: 12.10.2026 16:09
Last: 12.10.2026 16:09
Sources 1
About this happening:
GitLab released security fixes for GitLab CE/EE after disclosing CVE-2026-97229, and self-managed installations were told to upgrade immediately to stop possible *...
GitLab security patch release for CVE-2026-97229
Security Patch ReleaseAbout this happening: GitLab released security fixes for GitLab CE/EE after disclosing CVE-2026-97229, and self-managed installations were told to upgrade immediately to stop possible *...
GitLab CI/CD Regular Expression Compiler integer overflow RCE (CVE-2026-97229)
Vulnerability
H score28
First: 12.10.2026 16:09
Last: 12.10.2026 16:09
Sources 1
About this happening:
GitLab CI/CD Regular Expression Compiler flaw CVE-2026-97229 is now patched, and unpatched GitLab CE/EE servers face unauthenticated remote code execution risk. Th...
GitLab CI/CD Regular Expression Compiler integer overflow RCE (CVE-2026-97229)
VulnerabilityAbout this happening: GitLab CI/CD Regular Expression Compiler flaw CVE-2026-97229 is now patched, and unpatched GitLab CE/EE servers face unauthenticated remote code execution risk. Th...
Atlassian Data Center products path traversal (CVE-2026-21589)
Vulnerability
H score32
First: 06.10.2026 09:58
Last: 06.10.2026 09:58
Sources 1
About this happening:
Atlassian disclosed CVE-2026-21589, a path traversal vulnerability in 8 self-hosted Data Center products that can let a no-login attacker read specific files in ea...
Atlassian Data Center products path traversal (CVE-2026-21589)
VulnerabilityAbout this happening: Atlassian disclosed CVE-2026-21589, a path traversal vulnerability in 8 self-hosted Data Center products that can let a no-login attacker read specific files in ea...
GitLab security patch release for CVE-2026-90970
Security Patch Release
H score41
First: 02.10.2026 19:20
Last: 02.10.2026 19:20
Sources 1
How related:
The flaw is fixed in gateway versions 19.2.4, 19.3.2, and 19.4.1.
About this happening:
GitLab released 19.2.4, 19.3.2, and 19.4.1 to fix CVE-2026-90970 in GitLab Self-Hosted AI Gateway, closing a critical command-execution path for vulnerable...
GitLab security patch release for CVE-2026-90970
Security Patch ReleaseHow related: The flaw is fixed in gateway versions 19.2.4, 19.3.2, and 19.4.1.
About this happening: GitLab released 19.2.4, 19.3.2, and 19.4.1 to fix CVE-2026-90970 in GitLab Self-Hosted AI Gateway, closing a critical command-execution path for vulnerable...
GitLab AI Gateway improper neutralization command execution security flaw (CVE-2026-90970)
Vulnerability
H score35
First: 02.10.2026 19:20
Last: 02.10.2026 19:20
Sources 1
How related:
The flaw is tracked as CVE-2026-90970. GitLab disclosed it on October 2 and rated it critical, with a CVSS score of 9.9 out of 10.
About this happening:
GitLab has fixed CVE-2026-90970, a critical improper neutralization flaw in GitLab AI Gateway that could let authenticated users with Duo Agent Platform access...
GitLab AI Gateway improper neutralization command execution security flaw (CVE-2026-90970)
VulnerabilityHow related: The flaw is tracked as CVE-2026-90970. GitLab disclosed it on October 2 and rated it critical, with a CVSS score of 9.9 out of 10.
About this happening: GitLab has fixed CVE-2026-90970, a critical improper neutralization flaw in GitLab AI Gateway that could let authenticated users with Duo Agent Platform access...
Timeline
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02.10.2026 19:20 3 articles · 11d ago
GitLab warns customers to patch CVE-2026-90970 in AI Gateway
Mitigation Patch UpdateGitLab warned that CVE-2026-90970 in the GitLab AI Gateway could let an authenticated user with Duo Agent Platform access escape the prompt template sandbox via a specially crafted flow configuration and execute arbitrary commands on unpatched self-hosted instances. The company released 19.2.4, 19.3.2, and 19.4.1 for GitLab Self-Hosted AI Gateway and urged GitLab Self-Managed customers to update immediately, while GitLab-hosted AI Gateway users were already protected.
Show sources
- GitLab warns of critical RCE vulnerability in AI Gateway service — www.bleepingcomputer.com — 02.10.2026 19:20
- GitLab warns of critical RCE vulnerability in AI Gateway service — www.bleepingcomputer.com — 02.10.2026 19:20
- GitLab Patches Critical 9.9 AI Gateway Flaw Allowing Command Execution on Self-Hosted Servers — thehackernews.com — 02.10.2026 20:33