{"action":"Upgrade pnpm to 11.5.3 or later.","affected":[{"fixed":"11.5.3","introduced":"11.3.0"}],"component":"pnpm","cve_ids":["CVE-2026-55700"],"ecosystem":"npm","epss":0.00417,"exploited":false,"fixed_versions":["11.5.3"],"ghsa_id":"GHSA-v23m-ccfg-pq9h","id":"tcs_01M5KGAAXYTF6FFZZR8A1MF0CJ","modified_at":"2026-06-27T00:11:29.671729Z","published_at":"2026-06-26T23:54:52Z","references":["https://osv.dev/vulnerability/GHSA-v23m-ccfg-pq9h","https://github.com/pnpm/pnpm/security/advisories/GHSA-v23m-ccfg-pq9h","https://nvd.nist.gov/vuln/detail/CVE-2026-55700","https://github.com/pnpm/pnpm/pull/12303","https://github.com/pnpm/pnpm"],"severity":{"label":"high","score":7.1},"sources":[{"source":"osv","source_id":"GHSA-v23m-ccfg-pq9h","url":"https://osv.dev/vulnerability/GHSA-v23m-ccfg-pq9h"}],"summary":"pnpm: `stage download` writes outside its destination directory via manifest name/version traversal"}