CVE-2026-96893

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.

CVSS 3.1

7.3CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

EPSS

0.6% chance of exploitation in the next 30 days; higher than 47% of CVEs (scores of 2026-10-25)

CWE

CWE-74

Published

2026-10-13

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• gitlab:gitlab

References

• https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/
• https://gitlab.com/gitlab-org/gitlab/-/work_items/607968

Check your stackJSON