CVE-2026-49231: Apache APISIX

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

Authentication Bypass by Spoofing vulnerability in opa plugin. An attacker could relay spoofed identity headers to upstream capitalising on non-default configuration in opa plugin. This could allow the attacker to assume higher privileges on the upstream service. This issue affects Apache APISIX: from 3.5.0 through 3.16.0. Users are recommended to upgrade to version 3.17.0, which fixes the issue.

Affected products

• Apache APISIX: from 3.5.0, before 3.17.0 (fixed in 3.17.0)

Published 2026-06-19. Last modified 2026-06-23.