MinorCritical vulnerability

CVE-2026-67693 (CVSS 7.5)

NVD · officialPublished Oct 8, 2026Risk 23/100EPSS 0.1%

An issue in gnutls v.3.8.13 allows an attacker to obtain sensitive information via failing to reject end-entity X.509 certificates that contain a contradictory combination of Key Usage (KU) and Extended Key Usage (EKU)

Technical details

CVSS

7.5

AV:NetworkAC:LowPR:NoneUI:NoneC:HighI:NoneA:None

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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