What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-14 · updated 2026-10-26
• Weakness: CWE-319

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.

Affected products

• Apache Software Foundation Apache APISIX: from 0.7 before 3.16.0 — fixed in 3.16.0

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache APISIX 3.16.0. Check the vendor advisory for mitigations.

References

• https://lists.apache.org/thread/0pjs72l7qj83j3srw1l1toyj24bsgkds
• http://www.openwall.com/lists/oss-security/2026/04/14/1

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