CVE-2026-6412

Medium

Description

Certificate policy and RFC 8446 compliance concerns regarding the continued acceptance of SHA-1/MD5 in certificate processing.

SeverityMedium
CVSS4.3
Exploit probability—
ProductWolfssl
PublishedJun 25, 2026
First seenJun 25, 2026
Weakness typeCWE-327CWE-327

How to fix

Update
  • wolfssl wolfssl5.9.2 or later

Affected products

ProductAffected versionsFixed in
wolfssl wolfssl3.9.10 ≤ v < 5.9.25.9.2

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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