CVE-2026-8589

EUVD-2026-36226
GitLab has remediated an issue in GitLab EE affecting all versions from 13.1.4 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 authenticated user to add unauthorized email addresses to a targeted user's account due to improper sanitization of user-supplied input in certain group setting fields.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.3 HIGH
NETWORK
HIGH
HIGH
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 4%
Affected Products (NVD)
VendorProductVersion
gitlabgitlab
13.1.4 ≤
𝑥
< 18.10.8
gitlabgitlab
13.1.4 ≤
𝑥
< 18.10.8
gitlabgitlab
18.11.0 ≤
𝑥
< 18.11.5
gitlabgitlab
18.11.0 ≤
𝑥
< 18.11.5
gitlabgitlab
19.0.0 ≤
𝑥
< 19.0.2
gitlabgitlab
19.0.0 ≤
𝑥
< 19.0.2
𝑥
= Vulnerable software versions