CVE-2026-50015: pnpm is a package manager

Q: How do I fix CVE-2026-50015?

pnpm: upgrade to 10.34.0, 11.4.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-50015 being exploited?

CVE-2026-50015 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-50015 affect?

CVE-2026-50015 affects pnpm. Severity is high (CVSS 7.3). pnpm is a package manager. Prior to 10.34.0 and 11.4.0, pnpm's patch application pipeline (@pnpm/patch-package) performs no path validation on file paths extracted from .patch files. An attacker who contributes a malicious patch file via a

Q: How urgent is CVE-2026-50015?

Priority 40/100. High severity; Public exploit reference

This month

HIGH 7.3UPGRADE

CVE-2026-50015 is a high-severity flaw (CVSS 7.3) affecting pnpm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

pnpm is a package manager. Prior to 10.34.0 and 11.4.0, pnpm's patch application pipeline (@pnpm/patch-package) performs no path validation on file paths extracted from .patch files. An attacker who contributes a malicious patch file via a pull request can write attacker-controlled content to or delete arbitrary files on the filesystem during pnpm install, as the user running the install. The diff --git header paths containing ../../ sequences tr

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-06-25
Last modified	2026-06-29

Publisher (CNA): GitHub, Inc. · Vendor: pnpm

Last updated 2026-06-29 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-25 18:16 UTCPublished CVE record published
2026-06-29 21:15 UTCUpdated Record last modified

pnpm pnpm UPGRADE

Affected: < 10.34.0 · >= 11.0.0 and < 11.4.0

Fixed in: 10.34.0, 11.4.0

Safe to downgrade to: a release before 11.0.0

1. Check installed version

npm ls pnpm

2. UPGRADE to 10.34.0

npm install pnpm@">=10.34.0"

3. If no update is available yet, DOWNGRADE to a release before 11.0.0

npm view pnpm versions npm install pnpm@"<11.0.0"

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-50015?

pnpm: upgrade to 10.34.0, 11.4.0. Exact commands for each OS are on this page.

Is CVE-2026-50015 being exploited?

CVE-2026-50015 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-50015 affect?

CVE-2026-50015 affects pnpm. Severity is high (CVSS 7.3). pnpm is a package manager. Prior to 10.34.0 and 11.4.0, pnpm's patch application pipeline (@pnpm/patch-package) performs no path validation on file paths extracted from .patch files. An attacker who contributes a malicious patch file via a

How urgent is CVE-2026-50015?

Priority 40/100. High severity; Public exploit reference

Software pages

Git vulnerabilities

Related CVEs

CVE-2026-59195 HIGH 8.2 UPGRADE pnpm is a package manager
CVE-2026-59196 HIGH 7.1 UPGRADE pnpm is a package manager
CVE-2026-59194 HIGH 7.1 UPGRADE pnpm is a package manager
CVE-2026-50017 MEDIUM 6.5 UPGRADE pnpm is a package manager
CVE-2026-55697 HIGH 7.5 UPGRADE pnpm is a package manager

References

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