PT-2026-48655 · Gitlab · Gitlab Ce/Ee+1

CVE-2026-8589

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Published

2026-06-11

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Updated

2026-06-15

CVSS v3.1

8.7

High

VectorAV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Name of the Vulnerable Software and Affected Versions GitLab EE versions 13.1.4 through 18.10.7 GitLab EE versions 18.11 through 18.11.4 GitLab EE versions 19.0 through 19.0.1
Description An issue exists where an authenticated user can add unauthorized email addresses to a targeted user's account. This occurs due to improper sanitization of user-supplied input within certain group setting fields.
Recommendations Update to version 18.10.8 Update to version 18.11.5 Update to version 19.0.2

Exploit

Fix

XSS

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Weakness Enumeration

Related Identifiers

BIT-GITLAB-2026-8589
CVE-2026-8589

Affected Products

Gitlab
Gitlab Ce/Ee