← Vulnerability feed

Vulnerability record · CVE-2026-50021 · published 25 June 2026

CVE-2026-50021: Pnpm vulnerability

Pnpm · Pnpm

pnpm is a package manager. Prior to 10.34.0 and 11.4.0, pnpm's tarball extraction worker skips integrity verification when the integrity field is absent from the lockfile resolution. If an attacker can both modify pnpm-lock.yaml to remove the integrity: field and cause the referenced registry URL to serve altered package content, pnpm install --frozen-lockfile can install the altered package without an integrity error. npm's npm ci enforces integrity by default; pnpm's behavior of silently skipping verification is a pnpm-specific fail-open gap. This vulnerability is fixed in 10.34.0 and 11.4.0.

8.1 CVSS 3.1 High EPSS 0.18% · top 93.1% CWE-354 · CWE-354
8.1CVSS 3.1 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
29 Jun 2026Last modified by NVD

Description

pnpm is a package manager. Prior to 10.34.0 and 11.4.0, pnpm's tarball extraction worker skips integrity verification when the integrity field is absent from the lockfile resolution. If an attacker can both modify pnpm-lock.yaml to remove the integrity: field and cause the referenced registry URL to serve altered package content, pnpm install --frozen-lockfile can install the altered package without an integrity error. npm's npm ci enforces integrity by default; pnpm's behavior of silently skipping verification is a pnpm-specific fail-open gap. This vulnerability is fixed in 10.34.0 and 11.4.0.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/pnpm/pnpm/security/advisories/GHSA-q6j5-fjx5-2mc3 ExploitMitigationVendor Advisory
https://github.com/pnpm/pnpm/security/advisories/GHSA-q6j5-fjx5-2mc3 ExploitMitigationVendor Advisory

Track CVE-2026-50021 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-69264Pnpm vulnerabilitypnpm is a package manager. Versions 10.0.0 through 10.25 allow git-hosted dependencies to execute arbitrary code during pnpm install, circumventing t…EPSS 1.0%9.8CVE-2023-37478Pnpm improper access control vulnerabilitypnpm is a package manager. It is possible to construct a tarball that, when installed via npm or parsed by the registry is safe, but when installed v…EPSS 1.2%8.8CVE-2026-55487Pnpm origin validation error vulnerabilitypnpm is a package manager. Prior to 10.34.2 and 11.5.3, the generic peer-suffix normalizer also stripped parenthesized text from git, URL, tarball, f…EPSS 0.18%8.8CVE-2026-55697Pnpm os command injection vulnerabilitypnpm is a package manager. Prior to 10.34.2 and 11.5.3, pnpm can install configDependencies declared in pnpm-workspace.yaml before command dispatch. …EPSS 0.19%8.8CVE-2026-55698Pnpm insufficient verification of data authenticity vulnerabilitypnpm is a package manager. Prior to 10.34.2 and 11.5.3, pnpm can persist package-manager bootstrap metadata in the first YAML document of pnpm-lock.y…EPSS 0.30%8.8CVE-2026-50016Pnpm relative path traversal vulnerabilitypnpm is a package manager. Prior to 10.34.0 and 11.4.0, pnpm allows a transitive dependency alias from registry package metadata to contain path trav…EPSS 0.53%8.8CVE-2025-69263Pnpm download of code without integrity check vulnerabilitypnpm is a package manager. Versions 10.26.2 and below store HTTP tarball dependencies (and git-hosted tarballs) in the lockfile without integrity has…EPSS 0.48%8.8CVE-2022-26183Pnpm untrusted search path vulnerabilityPNPM v6.15.1 and below was discovered to contain an untrusted search path which causes the application to behave in unexpected ways when users execut…EPSS 1.6%

Source: NIST National Vulnerability Database (record CVE-2026-50021), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.