Apache APISIX Cleartext Transmission in OIDC Plugin 0.7-3.15.0
CVE-2026-31923 Published on April 14, 2026
Apache APISIX: Openid-connect `tls_verify` field is disabled by default
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.
Vulnerability Analysis
CVE-2026-31923 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
Cleartext Transmission of Sensitive Information
The software transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. Many communication channels can be "sniffed" by attackers during data transmission. For example, network traffic can often be sniffed by any attacker who has access to a network interface. This significantly lowers the difficulty of exploitation by attackers.
Products Associated with CVE-2026-31923
Want to know whenever a new CVE is published for Apache Apisix? stack.watch will email you.
Affected Versions
Apache Software Foundation Apache APISIX:- Version 0.7, <= 3.15.0 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.