{"id":"CVE-2026-24842","title":"node-tar,a Tar for Node.js, contains a vulnerability in versions prior to 7.5.7 where the security check for hardlink entries uses different path resolution semantics than the actual hardlink creation logic","summary":"node-tar,a Tar for Node.js, contains a vulnerability in versions prior to 7.5.7 where the security check for hardlink entries uses different path resolution semantics than the actual hardlink creation logic. This mismatch allows an attac…","severity":"high","cvss":8.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","cwe":["CWE-22","CWE-59"],"vendor":"isaacs","product":"tar","affected":["tar < 7.5.7"],"patched":["tar 7.5.7"],"published":"2026-01-28","updated":"2026-06-30","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-24842","references":[{"url":"https://github.com/isaacs/node-tar/commit/f4a7aa9bc3d717c987fdf1480ff7a64e87ffdb46","label":"security-advisories@github.com"},{"url":"https://github.com/isaacs/node-tar/security/advisories/GHSA-34x7-hfp2-rc4v","label":"security-advisories@github.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:18480","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:18868","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:2900","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:33371","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:5447","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:6192","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/security/cve/CVE-2026-24842","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2433645","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24842.json","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-24842"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-24842"}],"tags":["nvd","csaf","vex","red-hat"],"epss":0.00608,"epssPercentile":0.48878,"ingestedAt":"2026-06-30T17:40:12.480Z","slug":"CVE-2026-24842","body":"## Overview\n\nnode-tar,a Tar for Node.js, contains a vulnerability in versions prior to 7.5.7 where the security check for hardlink entries uses different path resolution semantics than the actual hardlink creation logic. This mismatch allows an attacker to craft a malicious TAR archive that bypasses path traversal protections and creates hardlinks to arbitrary files outside the extraction directory. Version 7.5.7 contains a fix for the issue.\n\n## Affected\n\n- `tar < 7.5.7`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `tar 7.5.7`\n\n## Vendor advisories\n\n- **RHSA-2026:33371** · Red Hat · fixed in: Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7 Server · released 2026-06-30 · [advisory](https://access.redhat.com/errata/RHSA-2026:33371)\n- **RHSA-2026:18480** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10) · released 2026-05-19 · [advisory](https://access.redhat.com/errata/RHSA-2026:18480)\n- **RHSA-2026:18868** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9) · released 2026-05-19 · [advisory](https://access.redhat.com/errata/RHSA-2026:18868)\n- **RHSA-2026:2900** · Red Hat · fixed in: Network Observability (NETOBSERV) 1.11.0 · released 2026-02-18 · [advisory](https://access.redhat.com/errata/RHSA-2026:2900)\n- **RHSA-2026:6192** · Red Hat · fixed in: Red Hat OpenShift Dev Spaces 3.27 · released 2026-03-30 · [advisory](https://access.redhat.com/errata/RHSA-2026:6192)\n- **RHSA-2026:5447** · Red Hat · fixed in: Red Hat Trusted Artifact Signer 1.3 · released 2026-03-23 · [advisory](https://access.redhat.com/errata/RHSA-2026:5447)\n- **Red Hat VEX** · Important · affected: Logging Subsystem for Red Hat OpenShift, Red Hat 3scale API Management Platform 2, Red Hat Developer Hub, Red Hat Fuse 7, Red Hat OpenShift Container Platform 4, Red Hat Openshift Data Foundation 4 · no fix planned: Logging Subsystem for Red Hat OpenShift, Red Hat 3scale API Management Platform 2, Red Hat Developer Hub, Red Hat Fuse 7, … · updated 2026-10-09 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24842.json)","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":45.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}