CVE-2026-53712

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{"affected": [{"affectedData": [{"product": "scram", "vendor": "ongres", "versions": [{"status": "affected", "version": "< 3.3"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "SCRAM (Salted Challenge Response Authentication Mechanism) is part of the family of Simple Authentication and Security Layer (SASL, RFC 4422) authentication mechanisms. Prior to 3.3, a flaw in com.ongres.scram:scram-client and com.ongres.scram:scram-common allows an attacker capable of a TLS man-in-the-middle attack to silently downgrade a connection from SCRAM-SHA-256-PLUS with channel binding to standard SCRAM-SHA-256 without channel binding when TlsServerEndpoint processes an X.509 certificate using a modern signature algorithm such as Ed25519; getChannelBindingData() can return an empty byte array after NoSuchAlgorithmException, and the ScramClient builder treats that as absent channel-binding data. This issue is fixed in version 3.3."}, {"lang": "es", "value": "SCRAM (Mecanismo de Autenticaci\u00f3n de Respuesta a Desaf\u00edo Salado) es parte de la familia de mecanismos de autenticaci\u00f3n de la Capa de Autenticaci\u00f3n y Seguridad Simple (SASL, RFC 4422). Antes de la versi\u00f3n 3.3, una falla en com.ongres.scram:scram-client y com.ongres.scram:scram-common permite a un atacante capaz de un ataque man-in-the-middle de TLS degradar silenciosamente una conexi\u00f3n de SCRAM-SHA-256-PLUS con enlace de canal a SCRAM-SHA-256 est\u00e1ndar sin enlace de canal cuando TlsServerEndpoint procesa un certificado X.509 utilizando un algoritmo de firma moderno como Ed25519; getChannelBindingData() puede devolver un array de bytes vac\u00edo despu\u00e9s de NoSuchAlgorithmException, y el constructor ScramClient trata eso como datos de enlace de canal ausentes. Este problema est\u00e1 solucionado en la versi\u00f3n 3.3."}], "id": "CVE-2026-53712", "lastModified": "2026-10-24T20:10:00.137", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.2, "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": "NONE", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:L/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": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-53712", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-17T19:08:59.374984Z", "version": "2.0.3"}}]}, "published": "2026-07-17T19:17:16.880", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/ongres/scram/releases/tag/3.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/ongres/scram/security/advisories/GHSA-p9jg-fcr6-3mhf"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-636"}, {"lang": "en", "value": "CWE-757"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,3.3)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "scram", "source": "cna", "vendor": "ongres"}, "product": "scram", "vendor": "ongres"}], "created": "2026-07-17T20:15:16.597024+00:00", "updated": "2026-07-31T00:00:06.195635+00:00", "vendors": ["ongres", "ongres$PRODUCT$scram"]}