CVE-2026-89320

{"id": "CVE-2026-89320", "cveTags": [], "metrics": {"cvssMetricV40": [{"type": "Secondary", "source": "emo@eclipse.org", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.8, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "emo@eclipse.org", "affectedData": [{"vendor": "Eclipse Foundation", "product": "Eclipse KeyPont - GOSE", "versions": [{"status": "affected", "version": "0.9.0", "versionType": "semver", "lessThanOrEqual": "0.13.0-rc1"}], "packageName": "github.com/ThalesGroup/gose", "defaultStatus": "unaffected"}, {"vendor": "Eclipse Foundation", "product": "Eclipse KeyPont - GOSE", "versions": [{"status": "affected", "version": "0", "lessThan": "1.0.0-rc1", "versionType": "semver"}], "packageName": "github.com/eclipse-keypont/gose", "defaultStatus": "unaffected"}]}], "published": "2026-10-23T09:17:08.610", "references": [{"url": "https://github.com/eclipse-keypont/gose/security/advisories/GHSA-h6w5-722x-2h3m", "source": "emo@eclipse.org"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "emo@eclipse.org", "description": [{"lang": "en", "value": "CWE-354"}]}], "descriptions": [{"lang": "en", "value": "`HmacShaCryptor.Hash` never hashed its input. For any input it returned `HMAC_K(\"\")` \u2014 the MAC of the empty message under the key. Every AES-CBC-HMAC JWE produced or verified by gose therefore carried an authentication tag that is constant per key and independent of the message, removing ciphertext integrity entirely."}], "lastModified": "2026-10-23T19:30:07.567", "sourceIdentifier": "emo@eclipse.org"}