CVE-2026-39246: Improper Link Resolution Before File Access

decompress before 4.2.2 allows arbitrary symlink creation during archive extraction. When processing symlink entries type === 'symlink', the x.linkname field from the archive is passed directly to fs.symlink without validation index.js line 121. The preventWritingThroughSymlink check on line 98...

@pnpm/building.commands (>=1100.0.0, <=1100.1.3), @pnpm/deps.compliance.commands (>=1100.0.0, <=1101.3.3) +12 more potentially affected by CVE-2026-59196 via @pnpm/fs.symlink-dependency (>=1100.0.0, <=1100.0.8)

@pnpm/fs.symlink-dependency NPM version =1100.0.0, =1100.0.0, =1100.0.0, =1100.0.0, =1100.0.0, =1100.0.0, =1100.0.0, =1100.0.0, =1100.0.0, =1100.0.0, =1100.0.0, =1100.0.0, =1100.0.0, =1100.0.0, =0.0.1, =0.0.21 Source cves: CVE-2026-59196 Source advisory: SNYK:JS-PNPMFSSYMLINKDEPENDENCY-17660538...