CVE-2026-46419Disclosure

LOWCVSS 7.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-253

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

Technical details provided in 1 signal
Disclosure: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Referenced assets1 URL

By indicator

https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-46419

Full discourse1 post

Vulmon Vulnerability Feed@VulmonFeeds150d
Disclosure
CVE-2026-46419 Impersonation Vulnerability in Yubico Webauthn-Server-Core Before 2.8.2 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-46419
Post summary
The post announces CVE-2026-46419 as an impersonation flaw in Yubico Webauthn-Server-Core versions older than 2.8.2, without providing PoC, exploit code, or patch details.
0000064
4.0K followersView on X

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