{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-100257", "assignerOrgId": "547ada31-17d8-4964-bc5f-1b8238ba8014", "state": "PUBLISHED", "assignerShortName": "JetBrains", "dateReserved": "2026-09-25T17:02:03.771Z", "datePublished": "2026-09-30T15:17:46.973Z", "dateUpdated": "2026-09-30T15:48:41.074Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "547ada31-17d8-4964-bc5f-1b8238ba8014", "shortName": "JetBrains", "dateUpdated": "2026-09-30T15:17:46.973Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-918", "cweId": "CWE-918"}]}], "affected": [{"vendor": "JetBrains", "product": "YouTrack", "versions": [{"version": "0", "status": "affected", "lessThan": "2026.2.18991", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "In JetBrains YouTrack before 2026.2.18991 sSRF via stored XHTML injection was possible during PDF export"}], "references": [{"url": "https://www.jetbrains.com/privacy-security/issues-fixed/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-100257", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-30T15:35:13.141090Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-30T15:48:41.074Z"}}]}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "YouTrack", "vendor": "JetBrains", "versions": [{"lessThan": "2026.2.18991", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "cve@jetbrains.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In JetBrains YouTrack before 2026.2.18991 sSRF via stored XHTML injection was possible during PDF export"}], "id": "CVE-2026-100257", "lastModified": "2026-09-30T16:44:39.840", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "cve@jetbrains.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-100257", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-30T15:35:13.141090Z", "version": "2.0.3"}}]}, "published": "2026-09-30T16:16:56.390", "references": [{"source": "cve@jetbrains.com", "url": "https://www.jetbrains.com/privacy-security/issues-fixed/"}], "sourceIdentifier": "cve@jetbrains.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "cve@jetbrains.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2026.2.18991)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "YouTrack", "source": "cna", "vendor": "JetBrains"}, "product": "youtrack", "vendor": "jetbrains"}], "created": "2026-09-30T17:45:05.205157+00:00", "title": "YouTrack SSRF via Stored X\u2011HTML Injection in PDF Export", "updated": "2026-10-01T00:00:11.470739+00:00", "vendors": ["jetbrains", "jetbrains$PRODUCT$youtrack"]}