{"cve":{"cve_id":"CVE-2026-26960","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00288,"epss_percentile":0.20298,"epss_as_of":"2026-06-23","description":"node-tar is a full-featured Tar for Node.js. When using default options in versions 7.5.7 and below, an attacker-controlled archive can create a hardlink inside the extraction directory that points to a file outside the extraction root, enabling arbitrary file read and write as the extracting user. Severity is high because the primitive bypasses path protections and turns archive extraction into a direct filesystem access primitive. This issue has been fixed in version 7.5.8.","published_at":"2026-02-20T01:07:52.979000Z","last_modified_at":null,"cvss_v3_score":7.1,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-22"],"nvd_references":["https://github.com/isaacs/node-tar/security/advisories/GHSA-83g3-92jg-28cx","https://github.com/isaacs/node-tar/commit/2cb1120bcefe28d7ecc719b41441ade59c52e384","https://github.com/isaacs/node-tar/commit/d18e4e1f846f4ddddc153b0f536a19c050e7499f"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:29:30.261368Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"R","value_label":"Required"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"isaacs","vendor_name":"isaacs","product_slug":"node-tar","product_name":"node-tar","version_start":"< 7.5.8","version_start_inclusive":true,"version_end":"< 7.5.8","version_end_inclusive":true,"cpe23_uri":"cve5:isaacs:node-tar:< 7.5.8:< 7.5.8"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/isaacs/node-tar/security/advisories/GHSA-83g3-92jg-28cx","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/isaacs/node-tar/commit/2cb1120bcefe28d7ecc719b41441ade59c52e384","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/isaacs/node-tar/commit/d18e4e1f846f4ddddc153b0f536a19c050e7499f","source_type":"PATCH","tags":["patch"]}],"timeline":[{"type":"published","at":"2026-02-20T01:07:52.979000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:52:17.441167Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:52:17.441167Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:52:17.441167Z","label":"CVSS score revised","source":"cvelistv5"}]}