🔐 CVE Alert

CVE-2026-9694

LOW 2.6

Improper Neutralization of Substitution Characters in GitLab

CVSS Score
2.6
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-153
Vendor gitlab
Product gitlab
Ecosystems
Industries
Technology
Published Jun 11, 2026
Last Updated Jun 11, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Affected Versions

GitLab / GitLab
15.9 < 18.10.8 18.11 < 18.11.5 19.0 < 19.0.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗
gitlab.com: https://gitlab.com/gitlab-org/gitlab/-/work_items/601330 hackerone.com: https://hackerone.com/reports/3685720 about.gitlab.com: https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released/

Credits

Thanks [3nvz](https://hackerone.com/3nvz) for reporting this vulnerability through our HackerOne bug bounty program