CVE-2026-96893CWE-74

CVE-2026-96893

High · published October 13, 2026

CVSS v3.1
7.3
EPSS
1%
Percentile
44.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00531 · 44.1th percentile
Weakness
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Published
2026-10-13T06:17Z
Affected products (3)
ProductVersionsFixed in
gitlab/gitlab≥ 19.1.0, < 19.2.819.2.8
gitlab/gitlab≥ 19.3.0, < 19.3.519.3.5
gitlab/gitlab≥ 19.4.0, < 19.4.219.4.2
References (2)
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/ · [email protected]https://gitlab.com/gitlab-org/gitlab/-/work_items/607968 · [email protected]
EPSS history
Timeline
  • 14 OCT 03:34Z
    EPSS moved — → 1%
    epss
  • 13 OCT 01:05Z
    Improper Neutralization of Input Used for LLM Prompting in GitLab
    cvelistv5
  • 13 OCT 01:05Z
    Improper Neutralization of Input Used for LLM Prompting in GitLab
    cvelistv5