CVE-2026-31923: Apache APISIX: Openid-connect `tls_verify` field is disabled by default

[Abhishek Choudhary <shreemaanabhishek () apache org>]

Severity: low 

Affected versions:

- Apache APISIX 0.7 through 3.15.0

Description:

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.

Credit:

Oleh Konko (reporter)

References:

https://apisix.apache.org
https://www.cve.org/CVERecord?id=CVE-2026-31923