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CVE-2026-59871

32
FAUCET Score

node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.18, node-tar coerces all-digit PAX path and linkpath values in src/pax.ts to JavaScript numbers, causing downstream path handling such as normalizeWindowsPath(entry.path).split('/') to throw an uncaught TypeError. This issue is fixed in version 7.5.18.

First published: Jul 8, 2026Last modified: Jul 8, 2026

Impacted Technologies

VendorProductVersion(s)CPE
< 7.5.18CPE matchmatch criteria
cpe:2.3:a:isaacs:tar:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
33.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0041 is in the 13th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: tarFixed in: 7.5.18

Vendor Advisories (2)

npmGHSA-w8wr-v893-vjvpmedium

node-tar: Process crash via PAX numeric path type confusion

Jul 20, 2026
microsoft2026-Jul/CVE-2026-59871Moderate

node-tar: Process crash via PAX numeric path type confusion

Jul 14, 2026

References

github.com / isaacs/node-tar/commit/e02a4e9e013c4be95302e2eb2047a942b883c27b
Patch
github.com / isaacs/node-tar/releases/tag/v7.5.18
Release Notes
github.com / isaacs/node-tar/security/advisories/GHSA-w8wr-v893-vjvp
ExploitVendor Advisory