CVE-2026-49872CWE-287

Apache APISIX: Improper authentication in cas-auth plugin

Medium · published June 19, 2026

CVSS v4.0
5.3
EPSS
1%
Percentile
43.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
EPSS
0.00526 · 43.7th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-06-19T13:19Z
EPSS history
Timeline
  • 19 JUN 13:19Z
    Apache APISIX: Improper authentication in cas-auth plugin
    cvelistv5