{"id":"CVE-2026-78252","title":"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…","summary":"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…","severity":"high","cvss":8.2,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L","cwe":["CWE-79"],"vendor":"gitlab","product":"gitlab","affected":["gitlab >= 15.3.0, < 19.1.8","gitlab >= 19.2.0, < 19.2.6","gitlab >= 19.3.0, < 19.3.2"],"patched":["gitlab 19.3.2"],"published":"2026-09-16","updated":"2026-09-28","sourceUpdated":"2026-09-28T13:26:58.440","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-78252","references":[{"url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released/","label":"cve@gitlab.com"},{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/621447","label":"cve@gitlab.com"},{"url":"https://hackerone.com/reports/3917471","label":"cve@gitlab.com"}],"tags":["nvd","cve.org"],"epss":0.0027,"epssPercentile":0.19039,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-16T15:39:58.423500Z"},"ingestedAt":"2026-09-16T06:51:06.260Z","slug":"CVE-2026-78252","body":"## Overview\n\nGitLab 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.\n\n## Affected\n\n- `gitlab >= 15.3.0, < 19.1.8`\n- `gitlab >= 19.2.0, < 19.2.6`\n- `gitlab >= 19.3.0, < 19.3.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `gitlab 19.3.2`","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":45.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}