# CVE-2026-50014: pnpm argument injection in git-fetcher via lockfile commit resolution

Source: https://junglewise.ai/threats/cve-2026-50014-pnpm-argument-injection-in-git-fetcher-via-lockfile-commit  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-06-25. Updated: 2026-06-26  
License: CC BY 4.0 with a link back

CVE-2026-50014 · Severity: medium · CVSS 6.4 · Published 2026-06-25

pnpm is a popular package manager for JavaScript projects. A vulnerability exists where a malicious project configuration file (lockfile) can trick pnpm into executing arbitrary commands on a developer's machine during the installation process. This occurs when a project uses specific Git-based dependencies, potentially allowing an attacker to gain control over the developer's environment or steal sensitive data.

Technologies: [pnpm (npm)](https://junglewise.ai/threats/technologies/pnpm). Vendors: [npm](https://junglewise.ai/threats/vendors/npm).

## Quick answers

**Is CVE-2026-50014 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-50014 being exploited in the wild.

**How severe is CVE-2026-50014?** Medium severity, with a CVSS score of 6.4, published 25 June 2026.

**Which products and versions are affected?** pnpm (npm) SEMVER:introduced=0,fixed=10.34.0.

**Is there a fix for CVE-2026-50014?** Yes. pnpm (npm): upgrade to 10.34.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-50014 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-50014?** Check whether you run pnpm (npm) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- pnpm (npm): upgrade to 10.34.0 or later

  ```sh
  npm install pnpm@10.34.0
  ```


## Technical details

An argument injection vulnerability exists in pnpm's Git fetcher component (fetching/git-fetcher/src/index.ts). The application passes the 'resolution.commit' value from the pnpm-lock.yaml file directly to 'git fetch' and 'git checkout' commands without using a '--' positional argument separator or validating the commit hash format. An attacker can craft a lockfile where the commit hash is replaced with Git options like '--upload-pack=<command>'. When pnpm performs a shallow fetch over SSH or local transports, Git executes the injected command. This vulnerability requires the victim to run 'pnpm install' on a project with a malicious lockfile using SSH or local Git transports; HTTPS transports are not affected. Patches are available in versions 10.34.0 and 11.4.0.

## Affected products

- pnpm pnpm < 10.34.0, >= 11.0.0 < 11.4.0

## Identifiers

- CVE-2026-50014
- GHSA-p4xf-rf54-rj3x

## Timeline

- 2026-05-28: disclosed
- 2026-06-25: advisory: NVD publication
- 2026-06-26: patched: GitHub Advisory published/updated with patch versions

## References

- [https://api.github.com/users/tempcollab](https://api.github.com/users/tempcollab)
- [https://github.com/tempcollab](https://github.com/tempcollab)
- [https://api.github.com/users/tempcollab/gists%7B/gist_id%7D](https://api.github.com/users/tempcollab/gists%7B/gist_id%7D)
- [https://api.github.com/users/tempcollab/repos](https://api.github.com/users/tempcollab/repos)
- [https://avatars.githubusercontent.com/u/86631197?v=4](https://avatars.githubusercontent.com/u/86631197?v=4)
- [https://api.github.com/users/tempcollab/events%7B/privacy%7D](https://api.github.com/users/tempcollab/events%7B/privacy%7D)

## Related threats

- [pnpm environment secret exfiltration via proxy settings in workspace manifest](https://junglewise.ai/threats/pnpm-environment-secret-exfiltration-via-proxy-settings-in-workspace-f6626cca)
- [pnpm pacquet path traversal in lockfile dependency symlinks](https://junglewise.ai/threats/pnpm-pacquet-path-traversal-in-lockfile-dependency-symlinks-dc3f81d1)
- [pnpm tarball dependency manifest name path traversal arbitrary file write](https://junglewise.ai/threats/cve-2026-82393-pnpm-tarball-dependency-manifest-name-path-traversal-arbitrary)
- [pnpm virtual store linker path traversal via unvalidated depPath](https://junglewise.ai/threats/cve-2026-82392-pnpm-virtual-store-linker-path-traversal-via-unvalidated-deppath)
- [pnpm path traversal via crafted lockfile alias](https://junglewise.ai/threats/cve-2026-59196-pnpm-path-traversal-via-crafted-lockfile-alias)