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High severity8.7NVD Advisory· Published Mar 11, 2026· Updated Jun 17, 2026

CVE-2026-1090

CVE-2026-1090

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

6
  • GitLab Inc./GitLabv54 versions
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*range: 10.6
    • (no CPE)range: from 10.6 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2
    • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*range: >=10.6.0,<18.7.6
    • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*range: >=10.6.0,<18.7.6
  • GitLab Inc./GitLab EE and CEllm-fuzzy
    Range: from 10.6 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2
  • osv-coords
    pkg:bitnami/gitlab
    Range: >= 10.6.0, < 18.7.6

Patches

Vulnerability mechanics

References

2

News mentions

1