CVE-2026-34054

—

CVSS 3.1

7.8 high

EPSS

<1%p52

Published

Mar 31, 2026 (Mar 31, 2026)

Modified

Jun 17, 2026

Description

vcpkg is a free and open-source C/C++ package manager. Prior to version 3.6.1#3, vcpkg's Windows builds of OpenSSL set openssldir to a path on the build machine, making that path be attackable later on customer machines. This issue has been patched in version 3.6.1#3.

Weakness: CWE-427
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.7%)

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