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CVE-2026-1090

nvd nist
Published: Mar 11, 2026Modified: Jun 17, 2026

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5.4
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Exploitability: 2.3 / Impact: 2.7
Source: NVD

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.

Affected (6)

Products: Gitlab: Gitlab
Gitlab
1 product
Gitlab
Configuration A
6 vulnerable
Vulnerable SoftwareAffected Versions
Gitlab
Gitlab
10.6.0 ≤ version < 18.7.6
Gitlab
18.8.0 ≤ version < 18.8.6
Gitlab
18.9.0 ≤ version < 18.9.2
Gitlab
10.6.0 ≤ version < 18.7.6
Gitlab
18.8.0 ≤ version < 18.8.6
Gitlab
18.9.0 ≤ version < 18.9.2

Related CWEs

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (3)

Source: cve@gitlab.com
Release NotesVendor Advisory
Source: cve@gitlab.com
Broken Link
Source: cve@gitlab.com
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Timeline

No history available yet.