Improper Authentication Affecting gnutls package, versions [0,]
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.
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- published9 May 2026
- disclosed7 May 2026
- creditJoshua Rogers
Introduced: 7 May 2026
NewCVE-2026-42010 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Improper Authentication due to the improper handling of usernames containing a NUL character when server is configured with RSA-PSK. An attacker can gain unauthorized access by sending a specially crafted username that causes the server to incorrectly match and bypass authentication.