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High severity8.2NVD Advisory· Published Sep 16, 2026· Updated Sep 28, 2026

CVE-2026-78252

CVE-2026-78252

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.3 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that, under certain conditions, an authenticated user could have induced a targeted user to perform unintended state-changing HTTP requests due to improper sanitization of user-controlled data in the Markdown JSON table renderer.

AI Insight

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

Affected products

5
  • GitLab Inc./GitLab3 versions
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*+ 2 more
    • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*range: >=15.3.0,<19.1.8
    • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*range: >=15.3.0,<19.1.8
    • (no CPE)range: from 15.3 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2
  • GitLab Inc./GitLab EE and CEllm-fuzzy
    Range: from 15.3 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2
  • osv-coords
    pkg:bitnami/gitlab
    Range: >= 15.3.0, < 19.1.8

Patches

Vulnerability mechanics

References

2

News mentions

2