NVD Vulnerability Detail
Search Exploit, PoC
CVE-2026-5816
Summary

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.10 before 18.10.4 and 18.11 before 18.11.1 that could have allowed an unauthenticated user to execute arbitrary JavaScript in a user's browser session due to improper path validation under certain conditions.

Publication Date April 23, 2026, 2:16 a.m.
Registration Date April 25, 2026, 4:06 a.m.
Last Update April 24, 2026, 5:30 a.m.
CVSS3.1 : HIGH
スコア 8.1
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC)
攻撃に必要な特権レベル(PR) 不要
利用者の関与(UI)
影響の想定範囲(S) 変更なし
機密性への影響(C)
完全性への影響(I)
可用性への影響(A) なし
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* 18.10.0 18.10.4
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* 18.10.0 18.10.4
cpe:2.3:a:gitlab:gitlab:18.11.0:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:18.11.0:*:*:*:enterprise:*:*:*
Related information, measures and tools
Common Vulnerabilities List