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CVE-2026-34181

HIGH · CVSS 7.4 EPSS %0.20 Public Exploit

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-06-09T17:17:04.740 · Çekilme zamanı: 2026-06-30T12:14:14.153499+00:00

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Public Exploit Sinyali

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

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CVE
CVE-2026-34181
Severity
HIGH
CVSS
7.4
EPSS
%0.20
OpenSSL

Orijinal NVD Açıklaması

Issue Summary: The PKCS#12 file processing fails to perform sufficient input validation for files that use Password-Based Message Authentication Code 1 (PBMAC1) integrity mechanism allowing a certificate and private key forgery. Impact Summary: An attacker impersonating a user can cause a service reading PKCS#12 files to accept forged certificates and private keys with a 1 in 256 probability. If a service accepting PKCS#12 files is using passwords for authenticating the received files, the attacker can create unencrypted PKCS#12 files that use PBMAC1 authentication that specifies an HMAC key of only one byte, allowing them to craft a file that will be accepted with a 1 in 256 probability. That would then cause the service to accept a certificate and private key controlled by the attacker. The FIPS modules are not affected by this issue, as the affected code is outside the OpenSSL FIPS module boundary.