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.

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Vendors Products
Advisories

No advisories yet.

Fixes

Solution

Upgrade to versions 18.10.8, 18.11.5, 19.0.2 or above.


Workaround

No workaround given by the vendor.

History

Thu, 11 Jun 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 11 Jun 2026 11:30:00 +0000

Type Values Removed Values Added
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.
Title Improper Neutralization of Substitution Characters in GitLab
First Time appeared Gitlab
Gitlab gitlab
Weaknesses CWE-153
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Vendors & Products Gitlab
Gitlab gitlab
References
Metrics cvssV3_1

{'score': 2.6, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2026-06-11T12:38:55.300Z

Reserved: 2026-05-27T11:03:58.975Z

Link: CVE-2026-9694

cve-icon Vulnrichment

Updated: 2026-06-11T12:38:50.440Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-06-11T12:16:33.110

Modified: 2026-06-11T15:22:48.573

Link: CVE-2026-9694

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-11T12:45:14Z

Weaknesses