Unrated severityNVD Advisory· Published Jun 19, 2026· Updated Jun 19, 2026
Apache APISIX: Improper authentication in cas-auth plugin
CVE-2026-49872
Description
Improper Authentication vulnerability in Apache APISIX.
When the cas-auth plugin is used in a route, an attacker can possibly authenticate itself with credentials from a different source. This issue affects Apache APISIX: from 3.0.0 through 3.16.0.
Users are recommended to upgrade to version 3.17.0, which fixes the issue.
Affected products
2Patches
Vulnerability mechanics
References
1- lists.apache.org/thread/bzjpo60ygxo7kxdqf7vw3l5zw2lh6m5kmitrevendor-advisory
News mentions
1- Apache APISIX: 12 CVEs Disclosed Across Nine Auth Plugins, All Fixed in 3.17.0Vypr Intelligence · Jun 19, 2026