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CVE-2026-82392

7.1 · HIGH

pnpm is a package manager.

Published Aug 31, 2026CWE-22EPSS 0.61%

Overview

CVE-2026-82392 is a high-severity vulnerability. It was published on August 31, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

pnpm is a package manager. Prior to 10.34.5 and from 11.0.0 until 11.11.0, pnpm parses the package name from attacker-controlled pnpm-lock.yaml packages keys with dp.parse(depPath).name and uses it without validation in deps/graph-builder/src/lockfileToDepGraph.ts and pnpm11/deps/graph-builder/src/lockfileToDepGraph.ts. The name reaches path.join(modules, pkgName), storeController.importPackage, and pnpm11/lockfile/to-pnp/src/index.ts, allowing package contents to be written outside node_modules when a user runs pnpm install. When dangerouslyAllowAllBuilds or a matching allowBuilds entry permits lifecycle scripts, the escaped package can execute code with the user's privileges. This issue is fixed in versions 10.34.5 and 11.11.0.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/pnpm/pnpm/commit/51300fd41c5e4c8f47635108e373cc3d1f324fa7GitHubgithub.com/pnpm/pnpm/commit/78e29fe5583a1e5d69ea05e414eff310f78d5ed9GitHubgithub.com/pnpm/pnpm/pull/12872GitHubgithub.com/pnpm/pnpm/pull/12890GitHubgithub.com/pnpm/pnpm/releases/tag/v10.34.5GitHubgithub.com/pnpm/pnpm/releases/tag/v11.11.0GitHubgithub.com/pnpm/pnpm/security/advisories/GHSA-c59q-g84q-2gj5

How CyberStrike helps

Frequently asked questions

What is CVE-2026-82392?

CVE-2026-82392 is a high-severity vulnerability. It was published on August 31, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2026-82392?

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-82392?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-82392?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-82392 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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