CVE-2026-9694
Improper Neutralization of Substitution Characters in GitLab
4.3
MEDIUM
CVSS 3.1
Description
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.
How to fix CVE-2026-9694
To remediate CVE-2026-9694, upgrade the affected package to a fixed version below.
- —upgrade to 18.10.8 or later
Is CVE-2026-9694 being exploited?
No exploitation signal available. Neither CISA KEV nor a current EPSS score has been published for CVE-2026-9694.
Affected packages (1)
- >= 15.9.0, < 18.10.8, >= 18.11.0, < 18.11.5, >= 19.0.0, < 19.0.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |