{"id":"CVE-2026-49872","summary":"Apache APISIX: Improper authentication in cas-auth plugin","details":"Improper Authentication vulnerability in Apache APISIX.\n\nWhen the cas-auth plugin is used in a route, an attacker can possibly authenticate itself with credentials from a different source.\nThis issue affects Apache APISIX: from 3.0.0 through 3.16.0.\n\nUsers are recommended to upgrade to version 3.17.0, which fixes the issue.","aliases":["BIT-apisix-2026-49872"],"modified":"2026-07-08T08:13:41.690207330Z","published":"2026-06-19T13:19:34.126Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"3.0.0"},{"last_affected":"3.16.0"}],"source":"AFFECTED_FIELD"},{"extracted_events":[{"introduced":"3.0.0"},{"fixed":"3.16.0"}],"source":"DESCRIPTION"}],"cna_assigner":"apache","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49872.json","cwe_ids":["CWE-287"]},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/06/19/15"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49872.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/bzjpo60ygxo7kxdqf7vw3l5zw2lh6m5k"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49872"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/apisix","events":[{"introduced":"24d1ec762e4bee402cc98b5ca57a08531f3c0b51"},{"fixed":"9ef2ecab67f652d38365049613610ef649bb4ad0"}],"database_specific":{"extracted_events":[{"introduced":"3.0.0"},{"fixed":"3.17.0"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:apache:apisix:*:*:*:*:*:*:*:*"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-49872.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N"}]}