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CVE-2026-55961

HIGH · CVSS 7.5 EPSS %0.10 Public Exploit

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-06-25T18:16:41.213 · Çekilme zamanı: 2026-06-30T18:34:14.902501+00:00

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Public Exploit Sinyali

Bu CVE için açıklama veya referanslarda public exploit / PoC / GitHub / Metasploit sinyali tespit edildi.

GitHub PoC Linkleri

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CVE
CVE-2026-55961
Severity
HIGH
CVSS
7.5
EPSS
%0.10
OpenSSL

Orijinal NVD Açıklaması

wolfSSL_PKCS7_verify() returning success for a degenerate (certs-only) PKCS#7 object that contains no signer. Such an object has empty signerInfos, so the underlying signed-data verification succeeds without authenticating any content. The compatibility-layer verify path now rejects the object when no signer signature has actually been verified, so a PKCS#7 carrying no valid signature is no longer reported as verified. This is enforced regardless of the PKCS7_NOVERIFY flag, which only suppresses signer certificate chain validation and was never intended to waive the requirement that a signature exist. Only affects OpenSSL compatibility builds that call the PKCS7_verify() compatibility API on potentially degenerate PKCS#7 bundles.