{"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":"3.8.0","versionType":"semver"}]}],"cveId":"CVE-2026-124666","cwes":["CWE-290"],"description":"Authentication bypass by spoofing vulnerability in Apache APISIX.\n\n\n\nOn a route where multi-auth falls back from wolf-rbac to another successful authenticator, client-supplied Wolf identity headers can remain in the request. A downstream service that relies on those documented headers may therefore receive an identity that was not established by the successful authenticator.\n\n\n\nThis issue affects Apache APISIX: from 3.8.0 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":6.4,"severity":"medium","source":"CNA: apache","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","version":"4.0"}],"modifiedAt":1794592330094,"publishedAt":1794592330094,"references":[{"source":"CNA: apache","tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/1kpvbj2m069bnhod8rwyx0mdz5hkwkml"}],"remediation":[],"revision":"6eb852733260fffd1adc45add9777f90645de3669a9c0ad1d0aecc7afc21ef61","sources":[{"modifiedAt":1794592330094,"name":"CNA: apache","retrievedAt":1794593335180,"url":"https://www.cve.org/CVERecord?id=CVE-2026-124666"}],"ssvc":null,"status":"published","title":"Apache APISIX: Multi-auth preserves client-supplied Wolf identity headers","updatedAt":1794593335180}