What is CVE-2026-55697?

CVE-2026-55697 is a high-severity vulnerability in Pnpm, classified under OS Command Injection. CVSS score: 7.5/10. Published 2026-06-25.

How severe is CVE-2026-55697?

High severity. CVSS v3 base score is 7.5 out of 10.

RCE in Pnpm

CVE-2026-55697

pnpm 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. Before the patch, a repository could declare pacquet or @pnpm/pacquet as a config dependen…

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Pnpm — versions < 10.34.2, >= 11.0.0, < 11.5.3

Weakness classification (CWE)

CWE-78 — OS Command Injection
CWE-494 — Download of Code Without Integrity Check
CWE-829 — Inclusion of Functionality from Untrusted Control Sphere

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-55697?: CVE-2026-55697 is a high-severity vulnerability in Pnpm, classified under OS Command Injection. CVSS score: 7.5/10. Published 2026-06-25.
How severe is CVE-2026-55697?: High severity. CVSS v3 base score is 7.5 out of 10.