CVE-2026-10592

Name: CVE-2026-10592
Creator: NVD / NIST
Published: 2026-06-25T20:17:09.65+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.3/10EPSS 0.18%

Last modified Jun 26, 2026

CVE-2026-10592 is a medium-severity vulnerability rated 6.3/10 on the CVSS scale. Certificates with wildcard DNS SANs (e.g. *.example.com) bypassed CA name-constraint checks. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

Certificates with wildcard DNS SANs (e.g. *.example.com) bypassed CA name-constraint checks. A certificate with a wildcard DNS SAN that should be rejected by the issuing CA's permitted/excluded DNS name constraints could be accepted.

Metrics

CVSS 3.1

5.3/10

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

CVSS 4.0

6.3/10

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.18%

7.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-295

Affected Software

Vendor	Product	Versions
Wolfssl	Wolfssl	>= 3.9.10, < 5.9.2

References

https://github.com/wolfSSL/wolfssl/pull/10549Issue Tracking, Patch
https://www.wolfssl.com/docs/security-vulnerabilities/Vendor Advisory

Timeline

Published: Jun 25, 2026
Last Modified: Jun 26, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-10592?

How severe is CVE-2026-10592?

CVE-2026-10592 has a CVSS score of 6.3/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.

How do I fix CVE-2026-10592?

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-2026-10592?

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

Scan your code now

Source: NVD / NIST