CVE-2026-78252

{"id": "CVE-2026-78252", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "cve@gitlab.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.6}]}, "affected": [{"source": "cve@gitlab.com", "affectedData": [{"cpes": ["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"], "repo": "git://git@gitlab.com:gitlab-org/gitlab.git", "vendor": "GitLab", "product": "GitLab", "versions": [{"status": "affected", "version": "15.3", "lessThan": "19.1.8", "versionType": "semver"}, {"status": "affected", "version": "19.2", "lessThan": "19.2.6", "versionType": "semver"}, {"status": "affected", "version": "19.3", "lessThan": "19.3.2", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-16T07:16:37.323", "references": [{"url": "https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released/", "source": "cve@gitlab.com"}, {"url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/621447", "source": "cve@gitlab.com"}, {"url": "https://hackerone.com/reports/3917471", "source": "cve@gitlab.com"}], "vulnStatus": "Received", "weaknesses": [{"type": "Primary", "source": "cve@gitlab.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-09-16T07:16:37.323", "sourceIdentifier": "cve@gitlab.com"}