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CVE

CVE-2026-29786

node-tar: Hardlink Path Traversal via Drive-Relative Linkpath
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CVE

CVE-2026-29786

node-tar: Hardlink Path Traversal via Drive-Relative Linkpath

node-tar is a full-featured Tar for Node.js. Prior to version 7.5.10, tar can be tricked into creating a hardlink that points outside the extraction directory by using a drive-relative link target such as C:../target.txt, which enables file overwrite outside cwd during normal tar.x() extraction. This issue has been patched in version 7.5.10.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
8.2
-
4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:L/SC:N/SI:H/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
C
H
U
7.1
-
3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:L

Related Resources

No items found.

References

https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29786.json, https://github.com/isaacs/node-tar/security/advisories/GHSA-qffp-2rhf-9h96, https://nvd.nist.gov/vuln/detail/CVE-2026-29786, https://github.com/isaacs/node-tar/commit/7bc755dd85e623c0279e08eb3784909e6d7e4b9f

Severity

0

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
0
EPSS Probability
0.00009%
EPSS Percentile
0.00928%
Introduced Version
0
Fix Available
2b72abc1d47c3570e1ad95c9ab557fc4c2e6e4b1,6.0.5+ds1+~cs11.3.9-1+deb11u3,6.2.1+~cs7.0.8-1+deb13u1,7.5.10,1:22.22.1-1.amzn2023.0.1,3:12.4.254.21-1.22.22.1.1.amzn2023.0.1,1:10.9.4-1.22.22.1.1.amzn2023.0.1,1:20.20.1-1.amzn2023.0.2,3:11.3.244.8-1.20.20.1.1.amzn2023.0.2,1:10.8.2-1.20.20.1.1.amzn2023.0.2,1:24.15.0-1.amzn2023.0.1,3:13.6.233.17-1.24.15.0.1.amzn2023.0.1,1:11.12.1-1.24.15.0.1.amzn2023.0.1,2.332.0-r2,25.0.2-r5,8.18.8-r11,9.1.10-r7,9.0.7-r1,12.2.0-r2,11.11.0-r2,2.19.4-r15,2.19.5-r0,5.14.3-r9,3.224.0-r2,3.2.0-r1,43.77.8-r1,1.6.0-r0,7.5.7-r13,5.5.0-r8,5.5.0-r9,4.14.5-r0

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