CVE-2026-50197

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{"affected": [{"affectedData": [{"product": "skipper", "vendor": "zalando", "versions": [{"status": "affected", "version": "< 0.26.10"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Skipper is an HTTP router and reverse proxy for service composition. Prior to 0.26.10, zalando/skipper's OpenPolicyAgent integration silently bypasses request-body inspection on HTTP/1.1 Transfer-Encoding: chunked and HTTP/2 requests that omit the content-length pseudo-header, because the opaAuthorizeRequestWithBody filter and OpenPolicyAgentInstance.ExtractHttpBodyOptionally in filters/openpolicyagent/openpolicyagent.go produce an empty raw_body and input.parsed_body while the upstream service receives the full attacker-controlled body. This issue is fixed in version 0.26.10."}, {"lang": "es", "value": "Skipper es un router HTTP y proxy inverso para composici\u00f3n de servicios. Antes de la versi\u00f3n 0.26.10, la integraci\u00f3n de OpenPolicyAgent de zalando/skipper omite silenciosamente la inspecci\u00f3n del cuerpo de la solicitud en solicitudes HTTP/1.1 con Transfer-Encoding: chunked y solicitudes HTTP/2 que omiten el pseudo-encabezado content-length, porque el filtro opaAuthorizeRequestWithBody y OpenPolicyAgentInstance.ExtractHttpBodyOptionally en filters/openpolicyagent/openpolicyagent.go producen un raw_body y un input.parsed_body vac\u00edos mientras que el servicio ascendente recibe el cuerpo completo controlado por el atacante. Este problema est\u00e1 solucionado en la versi\u00f3n 0.26.10."}], "id": "CVE-2026-50197", "lastModified": "2026-10-24T20:10:00.137", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-50197", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-20T14:33:19.738683Z", "version": "2.0.3"}}]}, "published": "2026-07-17T20:17:24.087", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/zalando/skipper/commit/3152f3b0bb52ca89c3564be42434db0a2a1cea23"}, {"source": "security-advisories@github.com", "url": "https://github.com/zalando/skipper/pull/4041"}, {"source": "security-advisories@github.com", "url": "https://github.com/zalando/skipper/releases/tag/v0.26.10"}, {"source": "security-advisories@github.com", "url": "https://github.com/zalando/skipper/security/advisories/GHSA-659f-rgp5-w4wf"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/zalando/skipper/security/advisories/GHSA-659f-rgp5-w4wf"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-444"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.26.10)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "skipper", "source": "cna", "vendor": "zalando"}, "product": "skipper", "vendor": "zalando"}], "created": "2026-07-17T21:45:03.895741+00:00", "updated": "2026-07-30T23:45:05.263714+00:00", "vendors": ["zalando", "zalando$PRODUCT$skipper"]}