https://seclists.org/oss-sec/2026/q2/983: CVE-2026-49872: Apache APISIX: Improper authentication in cas-auth plugin
Published Jun 19, 2026
·Updated
Affected Software
1 affected component
Apache APISIX>=3.0.0<=3.16.0
Frequently Asked Questions
1
What is the severity of CVE-2026-49872?
CVE-2026-49872 has a high severity due to the improper authentication vulnerability in the cas-auth plugin.
2
How do I fix CVE-2026-49872?
To fix CVE-2026-49872, upgrade to Apache APISIX version 3.16.1 or later where the issue has been addressed.
3
What versions of Apache APISIX are affected by CVE-2026-49872?
CVE-2026-49872 affects Apache APISIX versions from 3.0.0 through 3.16.0.
4
What type of vulnerability is CVE-2026-49872?
CVE-2026-49872 is classified as an improper authentication vulnerability.
5
What could an attacker potentially do by exploiting CVE-2026-49872?
An attacker could potentially authenticate themselves using credentials from a different source if CVE-2026-49872 is exploited.