{"id":"BIT-apisix-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":["CVE-2026-49871"],"modified":"2026-09-10T16:01:08.178019120Z","published":"2026-06-23T14:37:51.705Z","database_specific":{"severity":"Critical","cpes":["cpe:2.3:a:apache:apisix:*:*:*:*:*:*:*:*"]},"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2026/06/19/14"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/1ozsnss0lof4gpwq763d66oxwxt3sycp"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49871"}],"affected":[{"package":{"name":"apisix","ecosystem":"Bitnami","purl":"pkg:bitnami/apisix"},"ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0"},{"fixed":"3.17.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/apisix/BIT-apisix-2026-49871.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N"}]}],"schema_version":"1.9.0"}