Eucleak is a vulnerability tracked by ThreatCluster, appearing in 1 threat cluster built from 1 intelligence report mention.
Eucleak is a vulnerability tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed April 17, 2026; most recent activity April 17, 2026.
A security vulnerability affecting YubiKey Manager, libfido2, and python-fido2 has been identified, allowing attackers to execute injected code on Windows systems. The flaw arises from improper DLL path handling,…
Eucleak is a vulnerability tracked by ThreatCluster, appearing in 1 threat cluster built from 1 intelligence report mention.
The most recent intelligence report mentioning Eucleak on ThreatCluster is dated April 17, 2026.
Across ThreatCluster reporting, Eucleak most frequently co-occurs with Malware, Yubico, CVE-2026-40947, CWE-269 - Improper Privilege Management, Cwe-427 - Uncontrolled Search Path Element, among 7 tracked related entities.
The most significant recent cluster is “Yubico Software Vulnerability Allows Code Injection via DLL Path Flaw” (2 articles · Updated April 17, 2026). Eucleak appears across 1 threat cluster in total, listed above with sources.
Eucleak appears in 1 intelligence report mention across 1 deduplicated threat cluster, aggregated from 17,000+ monitored sources.