CVE-2026-49872

EUVD-2026-38026
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.1 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 24%
Affected Products (NVD)
VendorProductVersion
apacheapisix
3.0.0 ≤
𝑥
< 3.17.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://lists.apache.org/thread/bzjpo60ygxo7kxdqf7vw3l5zw2lh6m5k
http://www.openwall.com/lists/oss-security/2026/06/19/15