TI-2026-19449 Aliases CVE-2026-24131 GHSA-v253-rj99-jwpq

pnpm has Path Traversal via arbitrary file permission modification

LOW 29CWE-22Published 2026-01-26 · Updated 2026-01-27

Key facts

Attack vector: Local
Privileges required: None
User interaction: Active
Attack complexity: Low
Attack requirements: None
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: Partial Red Hat: 2 without a fix

Attack profile from CVSS 4.0 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-22 and the CVSS impact.

Summary

pnpm is a package manager. Prior to version 10.28.2, when pnpm processes a package's `directories.bin` field, it uses `path.join()` without validating the result stays within the package root. A malicious npm package can specify `"directories": {"bin": "../../../../tmp"}` to escape the package directory, causing pnpm to chmod 755 files at arbitrary locations. This issue only affects Unix/Linux/macOS. Windows is not affected (`fixBin` gated by `EXECUTABLE_SHEBANG_SUPPORTED`). Version 10.28.2 contains a patch.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00271 19th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Partial pnpm (pnpm): 10.28.2pnpm (npm): 10.28.2Red Hat: 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
pnpm	pnpm	before 10.28.2	10.28.2	Patch available	CNA
—	pnpm (npm)	before 10.28.2	10.28.2	Patch available	GHSA-v253-rj99-jwpq

pnpm Vendorpnpm Affected before 10.28.2 Fixed in 10.28.2 Patch available CNA
pnpm (npm) Vendor— Affected before 10.28.2 Fixed in 10.28.2 Patch available GHSA-v253-rj99-jwpq

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:pnpm:pnpm::::::node.js::*	before 10.28.2	Vulnerable	pnpm

cpe:2.3:a:pnpm:pnpm:*:*:*:*:*:node.js:*:* Versions before 10.28.2 Vulnerable ·pnpm

Remediation

Fix · CNA pnpm (pnpm) Fixed in 10.28.2
Fix · GHSA-v253-rj99-jwpq pnpm (npm) Fixed in 10.28.2 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat JBoss Enterprise Application Platform 8	Affected	No fix yet: Fix deferred
Red Hat JBoss Enterprise Application Platform Expansion Pack	Affected	No fix yet: Fix deferred

Timeline

2026-10-02 Threatist record created from CVE-2026-24131
2026-10-03 Alias added: GHSA-v253-rj99-jwpq

References

Exploit 1

https://github.com/pnpm/pnpm/security/advisories/GHSA-v253-rj99-jwpq

Patch 1

https://github.com/pnpm/pnpm/commit/17432ad5bbed5c2e77255ca6d56a1449bbcfd943

Other 2

TI-2025-42715 pnpm v10+ Bypass "Dependency lifecycle scripts execution disabled by default" CVSS 3.1CRITICAL 9.8
TI-2023-19086 pnpm incorrectly parses tar archives relative to specification CVSS 3.1CRITICAL 9.8
TI-2026-40212 pnpm: Project env lockfile can short-circuit package-manager resolution and execute lockfile-selected pnpm bytes CVSS 3.1HIGH 8.8
TI-2026-40211 pnpm: Repository-controlled configDependencies can select a pacquet native install engine CVSS 3.1HIGH 8.8
TI-2026-40042 pnpm: manifest identity spoof satisfies allowBuilds and runs attacker lifecycle CVSS 3.1HIGH 8.8
TI-2026-36842 pnpm: Transitive dependency alias path traversal allows project path override via symlink replacement CVSS 3.1HIGH 8.8

See all 27 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences