PT-2026-50899 · Apache · Apache Apisix

Lokerxxx · Published 2026-06-19 · Updated 2026-06-19 · CVE-2026-49872

Mitre

CVSS v4.0

5.3

Medium

Base vector

AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N

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.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2026-49872

Affected Products

Apache Apisix

References · 2

• https://lists.apache.org/thread/bzjpo60ygxo7kxdqf7vw3l5zw2lh6m5k · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-49872 · Security Note