node-tar Vulnerable to Arbitrary File Overwrite and Symlink Poisoning via Insufficient Path Sanitization
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 8.2epss 0.3%
probabilidade de exploração
0.3%top 74% das CVEs
exploração observada
nãonenhuma fonte reporta
node-tar is a Tar for Node.js. The node-tar library (<= 7.5.2) fails to sanitize the linkpath of Link (hardlink) and SymbolicLink entries when preservePaths is false (the default secure behavior). This allows malicious archives to bypass the extraction root restriction, leading to Arbitrary File Overwrite via hardlinks and Symlink Poisoning via absolute symlink targets. This vulnerability is fixed in 7.5.3.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N
Produtos afetados
isaacs · node-tarReferências
https://access.redhat.com/errata/RHSA-2026:18480https://access.redhat.com/errata/RHSA-2026:18868https://access.redhat.com/errata/RHSA-2026:19712https://access.redhat.com/errata/RHSA-2026:2144https://access.redhat.com/errata/RHSA-2026:2900https://access.redhat.com/errata/RHSA-2026:2926https://access.redhat.com/errata/RHSA-2026:3782https://access.redhat.com/errata/RHSA-2026:41928https://access.redhat.com/errata/RHSA-2026:6192https://access.redhat.com/security/cve/CVE-2026-23745https://bugzilla.redhat.com/show_bug.cgi?id=2430538https://github.com/isaacs/node-tar/commit/340eb285b6d986e91969a1170d7fe9b0face405e