September 2, 2026

CVE Watchtower


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CVE-2026-19117NVD

Vulnerability Summary

Under specific conditions, an attacker can register an attacker-controlled FIDO2 credential against a target account and then authenticate as
that user. This issue affects on-premises deployments only.
Severity Level
CRITICAL(9.8)
Published Date
Sep 2, 2026
Last Modified
Sep 2, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
Data Pending
Root Weakness (CWE)
CWE-290: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

External References