CVE-2026-6331 | wolfSSL up to 5.9.1 Compatibility signature verification

June 26, 2026 Yanac

A vulnerability was found in wolfSSL up to 5.9.1. It has been rated as problematic. Impacted is an unknown function of the component Compatibility Handler. Performing a manipulation results in improper verification of cryptographic signature.

This vulnerability is known as CVE-2026-6331. Attacking locally is a requirement. No exploit is available.

To fix this issue, it is recommended to deploy a patch.VulDB Recent EntriesRead More