Cleartext transmission of sensitive information in Apache APISIX - CVE-2026-31923
Published: August 25, 2026
Vulnerability identifier: #VU145319
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-31923
CWE-ID: CWE-319
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to cleartext transmission of sensitive information in the openid-connect plugin configuration when handling OpenID Connect connections with certificate verification disabled by default. A remote attacker can intercept network traffic to disclose sensitive information.
Affected software
Apache APISIX
How to mitigate CVE-2026-31923
Install security update from vendor's website.
Apache APISIX - update to 3.16.0