CVE-2026-10592

MEDIUM

wolfSSL - Wildcard DNS SAN Bypasses CA Name-Constraint Checks

Title source: rule

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.

References (2)

Core 2

Core References

Patch patch

https://github.com/wolfSSL/wolfssl/pull/10549

https://www.wolfssl.com/docs/security-vulnerabilities/

Scores

CVSS v3 5.3

EPSS 0.0012

EPSS Percentile 2.5%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-295

Status published

Products (2)

wolfSSL/wolfSSL 3.9.10 - 5.9.1

wolfssl/wolfssl 3.9.10 - 5.9.2

Published Jun 25, 2026

Tracked Since Jun 26, 2026