Medium 5.3Published Jun 19, 2026

CVE-2026-49872Apache APISIX: Improper authentication in cas-auth plugin

Updated under an hour ago (Oct 27, 2026, 4:00 AM ET)

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It affects Apache Software Foundation Apache APISIX and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Apache Software Foundation Apache APISIX

Exploited in the last 30 days

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.

CVSS: 5.3 MEDIUM (v4.0, CNA)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
Weakness (CWE): CWE-287
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: apache
NVD analysis: Analyzed
Record last updated: Jun 22, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Apache Software Foundation Apache APISIX apache_software_foundation:apache_apisix (from the name)	from 3.0.0 through 3.16.0	CNA record
apache apisix apache:apisix	from 3.0.0 before 3.17.0	NVD

References

References

https://lists.apache.org/thread/bzjpo60ygxo7kxdqf7vw3l5zw2lh6m5k	vendor-advisory, mailing-list
http://www.openwall.com/lists/oss-security/2026/06/19/15	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.