GHSA-4GXM-V5V7-FQC4 pnpm: Reserved bin name deletes PNPM_HOME during global remove

Maintainer Action Plan Maintainer Action Plan This report is ready to review with the shared patch branch. Start with the PR and the expected fixed behavior, then use the detailed exploit narrative below only if you want to replay the original path. - Advisory: CAND-PNPM-085 / GHSA-4gxm-v5v7-fqc4...

CVE-2026-55699

CVE-2026-55699 affects pnpm. Prior to versions 10.34.2 and 11.5.3, manifest bin object keys such as "", ".", and ".." could bypass the bin-name guard. In a scenario where a malicious global package is installed, downstream global remove/update/add-replacement flows could re-derive those names and...

CVE-2026-55699 pnpm: reserved bin name deletes PNPM_HOME during global remove

pnpm is a package manager. Prior to 10.34.2 and 11.5.3, Manifest bin object keys such as "", ".", and ".." passed pnpm's bin-name guard. When a malicious package was installed globally, later global remove, update, or add-replacement flows could re-derive those names from the installed manifest a...