CVE-2026-10592

Medium

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.

SeverityMedium

CVSS5.3

Exploit probability—

ProductWolfssl

PublishedJun 25, 2026

First seenJun 25, 2026

Weakness typeCWE-295CWE-295

How to fix

Update

wolfssl wolfssl5.9.2 or later

Patches

github.com/wolfSSL/wolfssl/pull/10549

Affected products

Product	Affected versions	Fixed in
wolfssl wolfssl	3.9.10 ≤ v < 5.9.2	5.9.2

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