{"affected":[{"defaultStatus":"unaffected","ecosystem":"software-id","packageName":"apache.org/apisix","product":"Apache APISIX","source":"CNA: apache","vendor":"Apache Software Foundation","versions":[{"lessThanOrEqual":"3.19.0","status":"affected","version":"3.18.0","versionType":"semver"}]}],"cveId":"CVE-2026-124679","cwes":["CWE-290"],"description":"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.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":7.8,"severity":"high","source":"CNA: apache","vector":"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","version":"4.0"}],"modifiedAt":1794592387017,"publishedAt":1794592387017,"references":[{"source":"CNA: apache","tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/jmktj1o0rrxf1rdbptk0j3c4h0vdws96"}],"remediation":[],"revision":"d1761140d4ddcbbe3afd85abbfe77e28c0027ec4cde8b6a2c064af00ef724d88","sources":[{"modifiedAt":1794592387017,"name":"CNA: apache","retrievedAt":1794593336295,"url":"https://www.cve.org/CVERecord?id=CVE-2026-124679"}],"ssvc":null,"status":"published","title":"Apache APISIX: jwe-decrypt and forward-auth may pass a client-supplied identity header","updatedAt":1794593336295}