MEDIUM

CVE-2026-10086

Gitlab GitLab 2026-06-25 CVSS v3.1

CVSS

5.4

Description

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.

Weakness (CWE)

CWE-79 Cross-site Scripting (XSS)

EPSS Score

0.35%

Probability of exploitation in next 30 days

28.6th percentile

References

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/ Patch, Release Notes, Vendor Advisory https://gitlab.com/gitlab-org/gitlab/-/work_items/601634 Broken Link https://hackerone.com/reports/3734800 Permissions Required

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Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

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