Improper neutralization of input used for LLM prompting in GitLab Enterprise Edition - CVE-2026-96893

 

Improper neutralization of input used for LLM prompting in GitLab Enterprise Edition - CVE-2026-96893

Published: October 13, 2026


Vulnerability identifier: #VU154154
CSH Severity: Low
CVSS v4: 8.4 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-96893
CWE-ID:
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to potentially cause unintended command execution attributed to other users.

The vulnerability exists due to improper neutralization of input used for LLM prompting in GitLab Duo Agent Platform when constructing AI conversation context. A remote user can inject specially crafted content into AI agent instructions to potentially cause unintended command execution attributed to other users.

User interaction is required.


Affected software

GitLab Enterprise Edition

How to mitigate CVE-2026-96893

Install security update from vendor's website.

GitLab Enterprise Edition - addressed in versions 19.2.8, 19.3.4, 19.4.2

External References

Related Security Bulletins