All vulnerabilities

Servers and applications

CVE-2026-78252

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.

Severity
Medium 6.1
Published
16 Sept 2026
Last changed
28 Sept 2026
Added to UpHeron
21 Oct 2026
Fixed in
19.1.8, 19.2.6, 19.3.2
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 15.3.0 before 19.1.8
  • From 19.2.0 before 19.2.6
  • From 19.3.0 before 19.3.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-78252
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-78252