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CVE-2026-10086

5.4 medium SSVC exploitation: none Analyzed
NVD · CVE.org

GitLab has remediated an issue in GitLab EE affecting all versions from 16.4 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute arbitrary client-side code in the context of another user's session, due to improper sanitization of user-supplied input.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 5.4 · gitlabNVD modified 2026-10-25 23:10

Affected (CPE criteria) 2

  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
  • cpe:2.3:a:gitlab:gitlab:19.1.0:*:*:*:enterprise:*:*:*

References 3