BIT-gitlab-2026-6335

vendorUSosv

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

view advisory published 2026-05-18Licence: per source

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.11 before 18.11.3 that under certain conditions could have allowed an authenticated user to execute arbitrary code in another user's browser session due to improper sanitization.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-6335US	—	0.19% (9th)	—	2026-05-14
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.11 before 18.11.3 that under certain conditions could have allowed an authenticated user to execute ar…

references

External citations — patches, advisories, analysis.

https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/ARTICLE
https://gitlab.com/gitlab-org/gitlab/-/work_items/596760WEB
https://hackerone.com/reports/3673647WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-6335WEB

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