{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "YouTrack", "vendor": "JetBrains", "versions": [{"lessThan": "2026.2.17012", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "cve@jetbrains.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:jetbrains:youtrack:*:*:*:*:*:*:*:*", "matchCriteriaId": "0ED3E61C-FFDE-41D6-80E0-F081073A54BF", "versionEndExcluding": "2026.2.17012", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In JetBrains YouTrack before 2026.2.17012 cSS injection via Mermaid diagram rendering was possible"}, {"lang": "es", "value": "En JetBrains YouTrack antes de 2026.2.17012 era posible la inyecci\u00f3n CSS a trav\u00e9s de la renderizaci\u00f3n de diagramas Mermaid"}], "id": "CVE-2026-59791", "lastModified": "2026-10-24T23:10:00.160", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.5, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 1.4, "source": "cve@jetbrains.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-59791", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-10T15:45:20.326917Z", "version": "2.0.3"}}]}, "published": "2026-07-10T15:16:48.110", "references": [{"source": "cve@jetbrains.com", "tags": ["Vendor Advisory"], "url": "https://www.jetbrains.com/privacy-security/issues-fixed/"}], "sourceIdentifier": "cve@jetbrains.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1021"}], "source": "cve@jetbrains.com", "type": "Secondary"}]}