{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-22903", "assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "state": "PUBLISHED", "assignerShortName": "CERTVDE", "dateReserved": "2026-01-13T08:33:25.683Z", "datePublished": "2026-02-09T07:39:42.537Z", "dateUpdated": "2026-02-09T15:36:36.790Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "0852-1322", "vendor": "WAGO", "versions": [{"lessThanOrEqual": "2.64", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "0852-1328", "vendor": "WAGO", "versions": [{"lessThanOrEqual": "2.64", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "0852-1322", "vendor": "WAGO", "versions": [{"status": "affected", "version": "2.64"}]}, {"defaultStatus": "unaffected", "product": "0852-1328", "vendor": "WAGO", "versions": [{"status": "affected", "version": "2.64"}]}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Diconium"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "An unauthenticated remote attacker can send a crafted HTTP request containing an overly long SESSIONID cookie. This can trigger a stack buffer overflow in the modified lighttpd server, causing it to crash and potentially enabling remote code execution due to missing stack protections.<br>"}], "value": "An unauthenticated remote attacker can send a crafted HTTP request containing an overly long SESSIONID cookie. This can trigger a stack buffer overflow in the modified lighttpd server, causing it to crash and potentially enabling remote code execution due to missing stack protections."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-121", "description": "CWE-121 Stack-based Buffer Overflow", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "shortName": "CERTVDE", "dateUpdated": "2026-02-09T07:39:42.537Z"}, "references": [{"url": "https://certvde.com/de/advisories/VDE-2026-004"}], "source": {"advisory": "VDE-2026-004", "defect": ["CERT@VDE#641934"], "discovery": "UNKNOWN"}, "title": "Stack Overflow via SESSIONID Cookie in lighttpd", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-02-09T15:36:08.801691Z", "id": "CVE-2026-22903", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-09T15:36:36.790Z"}}]}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "An unauthenticated remote attacker can send a crafted HTTP request containing an overly long SESSIONID cookie. This can trigger a stack buffer overflow in the modified lighttpd server, causing it to crash and potentially enabling remote code execution due to missing stack protections."}], "id": "CVE-2026-22903", "lastModified": "2026-02-09T16:08:35.290", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "info@cert.vde.com", "type": "Primary"}]}, "published": "2026-02-09T08:16:10.103", "references": [{"source": "info@cert.vde.com", "url": "https://certvde.com/de/advisories/VDE-2026-004"}], "sourceIdentifier": "info@cert.vde.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "info@cert.vde.com", "type": "Primary"}]}

{}

{"created": "2026-02-10T12:23:51.330558+00:00", "updated": "2026-02-10T12:23:51.330636+00:00", "vendors": ["wago", "wago$PRODUCT$0852-1322", "wago$PRODUCT$0852-1328"]}