{"id":"CVE-2026-49871","summary":"Apache APISIX: cas-auth login CSRF / session injection issue","details":"Cross-Site Request Forgery (CSRF) vulnerability in the cas-auth plugin under default configurations.\n\nThis defect allows a remote attacker that manages to send a victim to a webpage controlled by them can cause the victim's browser to become authenticated as a different identity.\n\nActions the victim takes upstream are then attributed to attackers identity.\n\n\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-2026-49871"],"modified":"2026-07-08T08:09:43.066462876Z","published":"2026-06-19T13:18:36.767Z","database_specific":{"cwe_ids":["CWE-352"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49871.json","unresolved_ranges":[{"extracted_events":[{"introduced":"3.0.0"},{"last_affected":"3.16.0"}],"source":"AFFECTED_FIELD"},{"source":"DESCRIPTION","extracted_events":[{"introduced":"3.0.0"},{"fixed":"3.16.0"}]}],"cna_assigner":"apache"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/06/19/14"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49871.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/1ozsnss0lof4gpwq763d66oxwxt3sycp"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49871"}],"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-2026-49871.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"}]}