CVE-2026-40947General

LOWCVSS 2.9 · LOW

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 libfido2 before 1.17.0, python-fido2 before 2.2.0, and yubikey-manager before 5.9.1 have an unintended DLL search path.

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0.0/ 10 priority

Sources & remediation

Other references

https://www.yubico.com/support/security-advisories/ysa-2026-01/

Weakness type (CWE)

CWE-426

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
General: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

General

1100.0%

Referenced assets1 URL

By indicator

https://www.cve.org/CVERecord?id=CVE-2026-40947

Full discourse1 post

CVE@CVEnew175d
General
CVE-2026-40947 Yubico libfido2 before 1.17.0, python-fido2 before 2.2.0, and yubikey-manager before 5.9.1 have an unintended DLL search path. https://www.cve.org/CVERecord?id=CVE-2026-40947
Post summary
The text reports a DLL search path issue in Yubico libraries prior to specific versions, without any evidence of active exploitation, PoC, or remedial guidance.
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