{"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"}}]}}