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Weakness (CWE) CWE-297 Improper Validation of Certificate with Host Mismatch 1

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TI-2026-83395 CVE-2026-117666

Partial wildcard certificates match wrong hosts in ssl_verify_fun

Priority MEDIUM 40

Improper Validation of Certificate with Host Mismatch vulnerability in deadtrickster ssl_verify_fun allows an adversary in the middle to impersonate a TLS peer via a certificate that carries a partial-label wildcard.

CVSS 4.0CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.0019 · Published 2026-10-30 · Fixed in 1.1.8 CWE-297

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