{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63450", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-16T19:35:57.768Z", "datePublished": "2026-09-18T20:13:42.549Z", "dateUpdated": "2026-09-18T20:13:42.549Z"}, "containers": {"cna": {"title": "Suricata ftp: RETR/STOR before PORT/PASV can disable further IDS app-layer detection", "problemTypes": [{"descriptions": [{"cweId": "CWE-755", "lang": "en", "description": "CWE-755: Improper Handling of Exceptional Conditions", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/OISF/suricata/security/advisories/GHSA-56wx-7hqh-wfgr", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/OISF/suricata/security/advisories/GHSA-56wx-7hqh-wfgr"}, {"name": "https://github.com/OISF/suricata/pull/15704", "tags": ["x_refsource_MISC"], "url": "https://github.com/OISF/suricata/pull/15704"}, {"name": "https://github.com/OISF/suricata/commit/52490b8c26909772801afed98df63a6d62f3af18", "tags": ["x_refsource_MISC"], "url": "https://github.com/OISF/suricata/commit/52490b8c26909772801afed98df63a6d62f3af18"}, {"name": "https://github.com/OISF/suricata/commit/feb0ff91159cea474a983adf92e4b56fb16e4ffc", "tags": ["x_refsource_MISC"], "url": "https://github.com/OISF/suricata/commit/feb0ff91159cea474a983adf92e4b56fb16e4ffc"}, {"name": "https://github.com/OISF/suricata/releases/tag/suricata-8.0.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/OISF/suricata/releases/tag/suricata-8.0.6"}, {"name": "https://redmine.openinfosecfoundation.org/issues/8659", "tags": ["x_refsource_MISC"], "url": "https://redmine.openinfosecfoundation.org/issues/8659"}], "affected": [{"vendor": "OISF", "product": "suricata", "versions": [{"version": "< 8.0.6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-18T20:13:42.549Z"}, "descriptions": [{"lang": "en", "value": "Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 8.0.6, the FTP parser in src/app-layer-ftp.c treats a RETR or STOR command sent before PORT or PASV negotiation as a fatal application-layer error instead of a recoverable protocol event. The fatal state disables FTP application-layer parsing for the remainder of the TCP flow, so later commands can evade parser-dependent rules and logging; IPS mode instead drops the flow. This issue is fixed in version 8.0.6."}], "source": {"advisory": "GHSA-56wx-7hqh-wfgr", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "suricata", "vendor": "OISF", "versions": [{"status": "affected", "version": "< 8.0.6"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 8.0.6, the FTP parser in src/app-layer-ftp.c treats a RETR or STOR command sent before PORT or PASV negotiation as a fatal application-layer error instead of a recoverable protocol event. The fatal state disables FTP application-layer parsing for the remainder of the TCP flow, so later commands can evade parser-dependent rules and logging; IPS mode instead drops the flow. This issue is fixed in version 8.0.6."}], "id": "CVE-2026-63450", "lastModified": "2026-09-18T21:17:04.370", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-18T21:17:04.370", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/OISF/suricata/commit/52490b8c26909772801afed98df63a6d62f3af18"}, {"source": "security-advisories@github.com", "url": "https://github.com/OISF/suricata/commit/feb0ff91159cea474a983adf92e4b56fb16e4ffc"}, {"source": "security-advisories@github.com", "url": "https://github.com/OISF/suricata/pull/15704"}, {"source": "security-advisories@github.com", "url": "https://github.com/OISF/suricata/releases/tag/suricata-8.0.6"}, {"source": "security-advisories@github.com", "url": "https://github.com/OISF/suricata/security/advisories/GHSA-56wx-7hqh-wfgr"}, {"source": "security-advisories@github.com", "url": "https://redmine.openinfosecfoundation.org/issues/8659"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-755"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}