CVE-2026-103493

{"id": "CVE-2026-103493", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-103493", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-10-01T15:05:42.605246Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@jetbrains.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 2.8}]}, "affected": [{"source": "cve@jetbrains.com", "affectedData": [{"vendor": "JetBrains", "product": "YouTrack", "versions": [{"status": "affected", "version": "0", "lessThan": "2026.2.19422", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-10-01T10:17:14.780", "references": [{"url": "https://www.jetbrains.com/privacy-security/issues-fixed/", "tags": ["Vendor Advisory"], "source": "cve@jetbrains.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "cve@jetbrains.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "In JetBrains YouTrack before 2026.2.19422 stored XSS via Mermaid and LaTeX content was possible"}], "lastModified": "2026-10-01T16:17:36.470", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:jetbrains:youtrack:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B513E5CE-DB6E-4E50-8632-58A3245A0EF8", "versionEndExcluding": "2026.2.19422"}], "operator": "OR"}]}], "sourceIdentifier": "cve@jetbrains.com"}