CVE-2026-49871
Critical · 9.3CVSS
9.3
EPSS
0.4%
Published
Jun 19, 2026
CISA due date
—
The record
Cross-Site Request Forgery (CSRF) vulnerability in the cas-auth plugin under default configurations. This defect allows a remote attacker that manages to send a victim to a webpage controlled by them can cause the victim's browser to become authenticated as a different identity. Actions the victim takes upstream are then attributed to attackers identity. 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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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