CVE-2026-34054
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Microsoft Vcpkg
PublishedMar 31, 2026
First seenMar 31, 2026
Weakness typeCWE-427CWE-427
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft vcpkg | < 3.6.1#3 | — |
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