CVE-2026-10712

HIGH

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

Title source: cna

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.10 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 unauthenticated user to execute arbitrary JavaScript in a user's browser session due to improper path validation under certain conditions.

References (3)

Core 3

Core References

https://gitlab.com/gitlab-org/gitlab/-/work_items/601857

Exploit technical-description exploit permissions-required

HackerOne Bug Bounty Report #3688717

https://hackerone.com/reports/3688717

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/

Scores

CVSS v3 8.0

EPSS 0.0022

EPSS Percentile 12.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-79

Status published

Products (5)

gitlab/gitlab 19.1.0

GitLab/GitLab 18.10 - 18.11.6

gitlab/gitlab 18.10.0 - 18.11.6

GitLab/GitLab 19.0 - 19.0.3

GitLab/GitLab 19.1 - 19.1.1

Published Jun 25, 2026

Tracked Since Jun 25, 2026