CVE-2026-31923: Apache APISIX

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Cleartext Transmission of Sensitive Information vulnerability in Apache APISIX. This can occur due to `ssl_verify` in openid-connect plugin configuration being set to false by default. This issue affects Apache APISIX: from 0.7 through 3.15.0. Users are recommended to upgrade to version 3.16.0, which fixes the issue.

Affected products

• Apache APISIX: from 0.7, before 3.16.0 (fixed in 3.16.0)

Published 2026-04-14. Last modified 2026-06-17.