CVE-2026-59195
Last modified
CVE-2026-59195 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. pnpm is a package manager. Prior to 10.34.4 and 11.8.0, pnpm accepts package names from the env lockfile configDependencies section and uses those names directly when creating config dependency symlinks under node_modules/.pnpm-config. EPSS estimates a 0.25% chance of exploitation in the next 30 days.
Description
pnpm is a package manager. Prior to 10.34.4 and 11.8.0, pnpm accepts package names from the env lockfile configDependencies section and uses those names directly when creating config dependency symlinks under node_modules/.pnpm-config. A malicious repository can commit a crafted pnpm-lock.yaml whose env-lockfile document contains a traversal-shaped config dependency name. During pnpm install, pnpm installs the config dependency and creates a symlink at a path derived from that name. This vulnerability is fixed in 10.34.4 and 11.8.0.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Pnpm | Pnpm | < 10.34.4 |
| Pnpm | Pnpm | >= 11.0.0, < 11.8.0 |
References
- https://github.com/pnpm/pnpm/security/advisories/GHSA-qrv3-253h-g69cExploit, Mitigation, Vendor Advisory
- https://github.com/pnpm/pnpm/security/advisories/GHSA-qrv3-253h-g69cExploit, Mitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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