CVE-2026-49872

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.

Score

CVSS 3.1 8.1 High

Status

Analyzed - security@apache.org

Published

2026-06-19

Last modified

2026-10-26

Weaknesses

CWE-287

Affected products

• Apisix (Apache)
• Apache Apisix (Apache Software Foundation)

References

• https://lists.apache.org/thread/bzjpo60ygxo7kxdqf7vw3l5zw2lh6m5k
• http://www.openwall.com/lists/oss-security/2026/06/19/15