CVE-2026-54490

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{"affected": [{"affectedData": [{"product": "websocket-driver-node", "vendor": "faye", "versions": [{"status": "affected", "version": "< 0.7.5"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "websocket-driver is a WebSocket protocol handler with pluggable I/O. Prior to 0.7.5, if this library is used with the permessage-deflate extension, a WebSocket server or client can be made to accept messages that are larger than the configured maximum message size because the limit is checked against the message frames' length headers, which give the size of the compressed data, not the size after decompression in lib/websocket/driver/hybi.js. This can lead to applications accepting larger messages than expected and exceeding their intended resource usage. This issue is fixed in version 0.7.5."}, {"lang": "es", "value": "websocket-driver es un gestor del protocolo WebSocket con E/S conectable. Antes de la versi\u00f3n 0.7.5, si esta biblioteca se utiliza con la extensi\u00f3n permessage-deflate, un servidor o cliente WebSocket puede ser inducido a aceptar mensajes que son m\u00e1s grandes que el tama\u00f1o m\u00e1ximo de mensaje configurado porque el l\u00edmite se verifica contra los encabezados de longitud de los marcos de mensaje, que indican el tama\u00f1o de los datos comprimidos, no el tama\u00f1o despu\u00e9s de la descompresi\u00f3n en lib/websocket/driver/hybi.js. Esto puede llevar a que las aplicaciones acepten mensajes m\u00e1s grandes de lo esperado y excedan su uso de recursos previsto. Este problema est\u00e1 solucionado en la versi\u00f3n 0.7.5."}], "id": "CVE-2026-54490", "lastModified": "2026-10-24T20:10:00.137", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.3, "baseSeverity": "MEDIUM", "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": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/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": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-54490", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-21T02:23:33.632192Z", "version": "2.0.3"}}]}, "published": "2026-07-17T21:17:08.780", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/faye/websocket-driver-node/commit/c55679a5b18251dd0a55d18a0cc6a4fd8822b92f"}, {"source": "security-advisories@github.com", "url": "https://github.com/faye/websocket-driver-node/security/advisories/GHSA-mp7j-qc5w-4988"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.7.5)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "websocket-driver-node", "source": "cna", "vendor": "faye"}, "product": "websocket-driver-node", "vendor": "faye"}], "created": "2026-07-22T01:45:15.047053+00:00", "updated": "2026-07-30T23:30:08.665487+00:00", "vendors": ["faye", "faye$PRODUCT$websocket-driver-node"]}