Improper Verification of Cryptographic Signature Affecting wolfSSL/wolfssh package, versions [,5.9.2)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UNMANAGED-WOLFSSLWOLFSSH-17660718
- published28 Jun 2026
- disclosed25 Jun 2026
- creditUnknown
Introduced: 25 Jun 2026
CVE-2026-6329 (opens in a new tab)How to fix?
Upgrade wolfSSL/wolfssh to version 5.9.2 or higher.
Overview
Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the PKCS#12 MAC verification process. An attacker can bypass integrity checks by supplying a manipulated MAC with a truncated or zero-length value, which may be incorrectly accepted due to the use of an attacker-controlled comparison length.