Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.6 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user, when the `markdown_placeholders` feature flag was enabled, to inject JavaScript in a browser due to improper sanitization of placeholder content in markdown processing.

INFO

Published Date :

2026-03-11T16:05:05.863Z

Last Modified :

2026-03-12T13:32:23.694Z

Source :

GitLab
AFFECTED PRODUCTS

The following products are affected by CVE-2026-1090 vulnerability.

Vendors Products
Gitlab
  • Gitlab
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-1090.

URL Resource
https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/ cve-icon cve-icon
https://gitlab.com/gitlab-org/gitlab/-/work_items/586478 cve-icon cve-icon
https://hackerone.com/reports/3502450 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact