CVE-2026-9694CWE-153

Improper Neutralization of Substitution Characters in GitLab

Low · published June 11, 2026

CVSS v3.1
2.6
EPSS
0%
Percentile
11.2
In the wild
Unconfirmed
What it is

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions, could have allowed an unauthenticated user to impersonate the GitLab Support Bot and inject arbitrary content via a specially crafted Service Desk email reply due to improper neutralization in email template processing.

The record
Technical detail
CVSS v3.1
2.6 · LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00211 · 11.2th percentile
Weakness
CWE-153 · Improper Neutralization of Substitution Characters
Published
2026-06-11T10:19Z
EPSS history
Timeline
  • 11 JUN 10:19Z
    Improper Neutralization of Substitution Characters in GitLab
    cvelistv5