High severity · published Apr 14, 2026
CVE-2026-31923
Apache APISIX: Openid-connect `tls_verify` field is disabled by default
7.5
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AA
Apache APISIX · Apache Software Foundation
0.7 through 3.15.0 · source: vendor
AP
Apisix · Apache
0.7 before 3.16.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-31923
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-31923
Mailing List
https://lists.apache.org/thread/0pjs72l7qj83j3srw1l1toyj24bsgkds
Mailing List
http://www.openwall.com/lists/oss-security/2026/04/14/1
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