Vulnerability in Wolfssl
CVE-2026-10592
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.
Vulnerability class: Improper Certificate Validation
Affected products
- Wolfssl — versions 3.9.10