CVE-2026-124679

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-124679", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-11-09T10:01:04.098Z", "datePublished": "2026-11-13T17:53:07.017Z", "dateUpdated": "2026-11-13T17:53:07.017Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-11-13T17:53:07.017Z"}, "title": "Apache APISIX: jwe-decrypt and forward-auth may pass a client-supplied identity header", "problemTypes": [{"descriptions": [{"description": "CWE-290 Authentication bypass by spoofing", "lang": "en", "cweId": "CWE-290", "type": "CWE"}]}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Apache Software Foundation", "product": "Apache APISIX", "packageURL": "pkg:software-id/apache.org/apisix", "versions": [{"status": "affected", "version": "3.18.0", "lessThanOrEqual": "3.19.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"value": "Authentication bypass by spoofing vulnerability in Apache APISIX.\n\n\n\nOn routes using jwe-decrypt with strict: false and a\nforward_header distinct from the token header an unauthenticated\nclient can supply the value the upstream treats as gateway-decrypted\nplaintext. Similar can happen when\u00a0forward-auth is configured with allow_degradation: true, and the auth service is unavailable.\n\n\n\nThis issue affects Apache APISIX: from 3.18.0 through 3.19.0.\n\n\n\nUsers are recommended to upgrade to version 3.20.0, which fixes the issue.", "lang": "en", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Authentication bypass by spoofing vulnerability in Apache APISIX.</p><p><span>On routes using jwe-decrypt with strict: false and a\nforward_header distinct from the token header an unauthenticated\nclient can supply the value the upstream treats as gateway-decrypted\nplaintext. Similar can happen when&nbsp;</span><span>forward-auth is configured with allow_degradation: true, and the auth service is unavailable.</span></p><p><span>This issue affects Apache APISIX: from 3.18.0 through 3.19.0.</span></p><p>Users are recommended to upgrade to version 3.20.0, which fixes the issue.</p>"}]}], "references": [{"url": "https://lists.apache.org/thread/jmktj1o0rrxf1rdbptk0j3c4h0vdws96", "tags": ["vendor-advisory"]}], "metrics": [{"scenarios": [{"lang": "en", "value": "GENERAL"}], "format": "CVSS", "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 7.8, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:H/SA:N"}}], "credits": [{"lang": "en", "value": "Siyang Wu", "type": "reporter"}, {"lang": "en", "value": "shreemaan-abhishek", "type": "coordinator"}, {"lang": "en", "value": "shreemaan-abhishek", "type": "remediation developer"}], "x_generator": {"engine": "Vulnogram 1.0.3"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:software-id/apache.org/apisix", "product": "Apache APISIX", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "3.19.0", "status": "affected", "version": "3.18.0", "versionType": "semver"}]}], "source": "security@apache.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Authentication bypass by spoofing vulnerability in Apache APISIX.\n\n\n\nOn routes using jwe-decrypt with strict: false and a\nforward_header distinct from the token header an unauthenticated\nclient can supply the value the upstream treats as gateway-decrypted\nplaintext. Similar can happen when\u00a0forward-auth is configured with allow_degradation: true, and the auth service is unavailable.\n\n\n\nThis issue affects Apache APISIX: from 3.18.0 through 3.19.0.\n\n\n\nUsers are recommended to upgrade to version 3.20.0, which fixes the issue."}], "id": "CVE-2026-124679", "lastModified": "2026-11-13T18:17:31.393", "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": "LOW", "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:L/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@apache.org", "type": "Secondary"}]}, "published": "2026-11-13T18:17:31.393", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread/jmktj1o0rrxf1rdbptk0j3c4h0vdws96"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-290"}], "source": "security@apache.org", "type": "Primary"}]}

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