CVE-2026-46419CWE-253

Yubico webauthn-server-core (aka java-webauthn-server) 2.8.0 before 2.8.2 incorrectly checks a function's return value in the second factor flow, leading to…

High · published May 14, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
34.9
In the wild
Unconfirmed
What it is

Yubico webauthn-server-core (aka java-webauthn-server) 2.8.0 before 2.8.2 incorrectly checks a function's return value in the second factor flow, leading to impersonation.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00416 · 34.9th percentile
Weakness
CWE-253 · Incorrect Check of Function Return Value
Published
2026-05-14T00:00Z
EPSS history
Timeline
  • 14 MAY 00:00Z
    Yubico webauthn-server-core (aka java-webauthn-server) 2.8.0 before 2.8.2 incorrectly checks a function's return value in the second factor flow, leading to…
    cvelistv5