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Vulnerabilities

CVE-2026-55699 | BDVDB-2026-343349 Detail

pnpmpnpm

Description#

pnpm is a package manager. Prior to 10.34.2 and 11.5.3, Manifest bin object keys such as "", ".", and ".." passed pnpm's bin-name guard. When a malicious package was installed globally, later global remove, update, or add-replacement flows could re-derive those names from the installed manifest and pass path.join(globalBinDir, binName) to removeBin. For "." this targets the global bin directory; for ".." this targets its parent. This vulnerability is fixed in 10.34.2 and 11.5.3.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-73 External Control of File Name or Path

References#

Exploit#

No public exploit known

History#

  1. Version 1Record published in the CVE List.