CVE-2026-19117
Critical · 9.8CVSS
9.8
EPSS
0.3%
Published
Sep 2, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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