CVE-2026-31923

Name: CVE-2026-31923
Creator: NVD / NIST
Published: 2026-04-14T09:16:35.817+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.25%

Last modified Jun 17, 2026

CVE-2026-31923 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.25% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.25%

16.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-319

Affected Software

Vendor	Product	Versions
Apache	Apisix	>= 0.7, < 3.16.0

References

https://lists.apache.org/thread/0pjs72l7qj83j3srw1l1toyj24bsgkdsMailing List, Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/04/14/1Mailing List, Third Party Advisory

Timeline

Published: Apr 14, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-31923?

How severe is CVE-2026-31923?

CVE-2026-31923 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.

How do I fix CVE-2026-31923?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-31923?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST