High severity7.3NVD Advisory· Published Oct 13, 2026
CVE-2026-96893
CVE-2026-96893
Description
GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to inject specially crafted content into AI agent instructions, potentially causing unintended command execution attributed to other users, due to improper neutralization of special elements in AI conversation context construction.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2
- Range: from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2
Patches
Vulnerability mechanics
References
1News mentions
1- GitLab Critical Patch Release: 19.4.2, 19.3.5, 19.2.8GitLab Security Releases · Oct 12, 2026