{"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":"0.9","versionType":"semver"}]}],"cveId":"CVE-2026-124680","cwes":["CWE-436"],"description":"Interpretation Conflict, resulting in (Incorrect Authorization) vulnerability in Apache APISIX.\n\n\n\nAn unauthenticated client can reach upstream paths protected\nby a route-level auth plugin when a route without auth exists on the\nsame upstream and the upstream does not collapse encoded dot segments.\n\n\n\nThis issue affects Apache APISIX: from 0.9 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,"severity":"high","source":"CNA: apache","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","version":"4.0"}],"modifiedAt":1794592288431,"publishedAt":1794592288431,"references":[{"source":"CNA: apache","tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/tsr691p4s58572og5f88p831vygbflvz"}],"remediation":[],"revision":"169592ec6bbc4e9bbaad9afaea0483a2de310b7b69c67e42bb3a1fe85b127007","sources":[{"modifiedAt":1794592288431,"name":"CNA: apache","retrievedAt":1794593337412,"url":"https://www.cve.org/CVERecord?id=CVE-2026-124680"}],"ssvc":null,"status":"published","title":"Apache APISIX: Route-level authentication bypass via path normalization mismatch between routing and upstream forwarding","updatedAt":1794593337412}