CVE-2026-101044 pnpm - Path Traversal

pnpm versions >=12.0.0-alpha.0 and <12.0.0-alpha.5 contain a path traversal vulnerability caused by unvalidated dependency alias/name paths from lockfiles, letting attackers create symlinks outside intended directories during install, exploit requires attacker-supplied lockfile with --trust-lockfile or frozen lockfile.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.26% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Path Traversal
Impact
File System Write
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L
Published
27 September 2026
Updated
15 October 2026
Weakness
CWE-22

Vendor fix

Update to version 12.0.0-alpha.5 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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