{"action":"Upgrade tar to 7.5.16 or later.","affected":[{"fixed":"7.5.16","introduced":"0"}],"component":"tar","cve_ids":["CVE-2026-53655"],"ecosystem":"npm","epss":0.00156,"exploited":false,"fixed_versions":["7.5.16"],"ghsa_id":"GHSA-vmf3-w455-68vh","id":"tcs_01M5KGCAKBM9V9N4WSMPSGG81N","modified_at":"2026-09-10T03:51:09.639522869Z","published_at":"2026-06-15T17:19:42Z","references":["https://osv.dev/vulnerability/GHSA-vmf3-w455-68vh","https://github.com/isaacs/node-tar/security/advisories/GHSA-vmf3-w455-68vh","https://github.com/isaacs/node-tar"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"GHSA-vmf3-w455-68vh","url":"https://osv.dev/vulnerability/GHSA-vmf3-w455-68vh"},{"source":"nvd","source_id":"CVE-2026-53655","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53655"}],"summary":"node-tar applies PAX size override to intermediary GNU long-name/long-link headers, causing tar parser interpretation differential (file smuggling)"}