{"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":"2026-11-13T23:04:59.403Z"},"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 forward-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"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/11/13/6"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-11-13T23:04:59.403Z"}}]}}