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CVE-2026-83540 wolfSSHd on Windows race condition leading to logon token reused across connections

🗓️ 07 Oct 2026 02:40:35Reported by wolfSSLType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

Race condition in wolfSSHd for Windows allows logon token reuse and user login poisoning.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-83540
7 Oct 202602:40
–alpinelinux
cve
CVE
CVE-2026-83540
7 Oct 202602:40
–cve
euvd
EUVD
EUVD-2026-94163
7 Oct 202602:40
–euvd
nvd
NVD
CVE-2026-83540
7 Oct 202603:16
–nvd
ptsecurity
Positive Technologies
PT-2026-107388
7 Oct 202600:00
–ptsecurity
vulnrichment
Vulnrichment
CVE-2026-83540 wolfSSHd on Windows race condition leading to logon token reused across connections
7 Oct 202602:40
–vulnrichment
[
  {
    "vendor": "wolfSSL",
    "product": "wolfSSH",
    "platforms": [
      "Windows"
    ],
    "collectionURL": "https://github.com/wolfSSL/wolfssh",
    "repo": "https://github.com/wolfSSL/wolfssh",
    "modules": [
      "wolfSSHd"
    ],
    "programFiles": [
      "apps/wolfsshd/auth.c"
    ],
    "programRoutines": [
      {
        "name": "SetupUserTokenWin"
      },
      {
        "name": "CheckPasswordWIN"
      }
    ],
    "versions": [
      {
        "status": "affected",
        "version": "1.4.15",
        "lessThanOrEqual": "1.5.0",
        "changes": [
          {
            "at": "1.6.0",
            "status": "unaffected"
          }
        ],
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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