CVE Watch13 oct 2026

CVE-2026-83540

When password or public key authentication is used with the Windows port of wolfSSHd, the Windows logon token acquired for one authenticated

CVSS

8.8

Alto

EPSS

0.4%

p29

KEV

—

Exploit Today

0-100

Publicado: 7 oct 2026 · Última mod.: 13 oct 2026 · CWE-287 · CWE-613

EPSS · 30d

0.3%EPSS · 30 días0.4%

2026-10-072026-10-23

Descripción técnica

When password or public key authentication is used with the Windows port of wolfSSHd, the Windows logon token acquired for one authenticated connection is not released before a token is acquired for a subsequent connection, resulting in user login poisoning between connections. A less privileged user with a valid account on the server can exploit this to force a login as a more privileged user. The vulnerability was introduced with the initial Windows port of wolfSSHd in wolfSSH version 1.4.15 and affects all versions through 1.5.0. Non-Windows builds of wolfSSHd are not affected.

Referencias oficiales

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