# tar (npm) vulnerabilities

Source: https://junglewise.ai/threats/technologies/npm-tar  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/npm-tar.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 17 vulnerabilities in tar (npm): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-73566, was published on 13 August 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 17 (0 critical, 0 exploited in the wild)

## About tar (npm)

Node.js module for reading and writing tar archives.

## Latest tar (npm) vulnerabilities

- [CVE-2026-73566: npm tar stack overflow in mapHas filter with long paths](https://junglewise.ai/threats/cve-2026-73566-npm-tar-stack-overflow-in-maphas-filter-with-long-paths) (high, CVSS 7.5, published 13 Aug 2026)
- [CVE-2026-59875: node-tar denial of service via NUL byte in PAX records](https://junglewise.ai/threats/cve-2026-59875-node-tar-denial-of-service-via-nul-byte-in-pax-records) (medium, CVSS 5.3, published 8 Jul 2026)
- [CVE-2026-59874: isaacs node-tar infinite loop in tar.replace](https://junglewise.ai/threats/cve-2026-59874-isaacs-node-tar-infinite-loop-in-tar-replace) (high, CVSS 7.5, published 8 Jul 2026)
- [CVE-2026-59873: isaacs node-tar Denial of Service via Gzip Bomb](https://junglewise.ai/threats/cve-2026-59873-isaacs-node-tar-denial-of-service-via-gzip-bomb) (high, CVSS 7.5, published 8 Jul 2026)
- [CVE-2026-59871: isaacs node-tar denial of service via PAX numeric path type confusion](https://junglewise.ai/threats/cve-2026-59871-isaacs-node-tar-denial-of-service-via-pax-numeric-path-type) (medium, CVSS 5.3, published 8 Jul 2026)
- [CVE-2026-53655: isaacs node-tar interpretation conflict in PAX header parsing](https://junglewise.ai/threats/cve-2026-53655-isaacs-node-tar-interpretation-conflict-in-pax-header-parsing) (medium, CVSS 4, published 22 Jun 2026)
- [CVE-2026-31802: node-tar symlink path traversal via drive-relative linkpath](https://junglewise.ai/threats/cve-2026-31802-node-tar-symlink-path-traversal-via-drive-relative-linkpath) (medium, CVSS 4, published 10 Mar 2026)
- [CVE-2026-29786: isaacs node-tar path traversal via drive-relative hardlink](https://junglewise.ai/threats/cve-2026-29786-isaacs-node-tar-path-traversal-via-drive-relative-hardlink) (medium, CVSS 6.3, published 7 Mar 2026)
- [CVE-2026-26960: npm tar arbitrary file read/write via hardlink symlink escape](https://junglewise.ai/threats/cve-2026-26960-npm-tar-arbitrary-file-read-write-via-hardlink-symlink-escape) (low, CVSS 3.1, published 18 Feb 2026)
- [CVE-2026-23950: node-tar race condition via Unicode path collision in path-reservations](https://junglewise.ai/threats/cve-2026-23950-node-tar-race-condition-via-unicode-path-collision-in-path) (high, CVSS 8.8, published 20 Jan 2026)
- [CVE-2026-23745: node-tar path traversal via insufficient linkpath sanitization](https://junglewise.ai/threats/cve-2026-23745-node-tar-path-traversal-via-insufficient-linkpath-sanitization) (medium, CVSS 6.1, published 16 Jan 2026)
- [CVE-2021-37701: npm tar symlink bypass in directory cache poisoning](https://junglewise.ai/threats/cve-2021-37701-npm-tar-symlink-bypass-in-directory-cache-poisoning) (low, CVSS 3.1, published 31 Aug 2021)
- [CVE-2021-37712: npm tar arbitrary file creation via directory cache poisoning](https://junglewise.ai/threats/cve-2021-37712-npm-tar-arbitrary-file-creation-via-directory-cache-poisoning) (low, CVSS 3.1, published 31 Aug 2021)
- [CVE-2021-37713: npm tar arbitrary file creation via path traversal on Windows](https://junglewise.ai/threats/cve-2021-37713-npm-tar-arbitrary-file-creation-via-path-traversal-on-windows) (low, CVSS 3.1, published 31 Aug 2021)
- [CVE-2021-32803: npm tar arbitrary file creation via symlink cache poisoning](https://junglewise.ai/threats/cve-2021-32803-npm-tar-arbitrary-file-creation-via-symlink-cache-poisoning) (low, CVSS 3.1, published 3 Aug 2021)
- [CVE-2018-20834: npm tar arbitrary file overwrite via hardlink](https://junglewise.ai/threats/cve-2018-20834-npm-tar-arbitrary-file-overwrite-via-hardlink) (low, CVSS 3, published 1 May 2019)
- [CVE-2015-8860: Node.js tar arbitrary file write via symlink attack](https://junglewise.ai/threats/cve-2015-8860-node-js-tar-arbitrary-file-write-via-symlink-attack) (high, CVSS 7.5, published 23 Jan 2017)

## Most severe tar (npm) vulnerabilities

- [CVE-2026-23950: node-tar race condition via Unicode path collision in path-reservations](https://junglewise.ai/threats/cve-2026-23950-node-tar-race-condition-via-unicode-path-collision-in-path) (high, CVSS 8.8, published 20 Jan 2026)
- [CVE-2015-8860: Node.js tar arbitrary file write via symlink attack](https://junglewise.ai/threats/cve-2015-8860-node-js-tar-arbitrary-file-write-via-symlink-attack) (high, CVSS 7.5, published 23 Jan 2017)
- [CVE-2026-59874: isaacs node-tar infinite loop in tar.replace](https://junglewise.ai/threats/cve-2026-59874-isaacs-node-tar-infinite-loop-in-tar-replace) (high, CVSS 7.5, published 8 Jul 2026)
- [CVE-2026-59873: isaacs node-tar Denial of Service via Gzip Bomb](https://junglewise.ai/threats/cve-2026-59873-isaacs-node-tar-denial-of-service-via-gzip-bomb) (high, CVSS 7.5, published 8 Jul 2026)
- [CVE-2026-73566: npm tar stack overflow in mapHas filter with long paths](https://junglewise.ai/threats/cve-2026-73566-npm-tar-stack-overflow-in-maphas-filter-with-long-paths) (high, CVSS 7.5, published 13 Aug 2026)
- [CVE-2026-29786: isaacs node-tar path traversal via drive-relative hardlink](https://junglewise.ai/threats/cve-2026-29786-isaacs-node-tar-path-traversal-via-drive-relative-hardlink) (medium, CVSS 6.3, published 7 Mar 2026)
- [CVE-2026-23745: node-tar path traversal via insufficient linkpath sanitization](https://junglewise.ai/threats/cve-2026-23745-node-tar-path-traversal-via-insufficient-linkpath-sanitization) (medium, CVSS 6.1, published 16 Jan 2026)
- [CVE-2026-59871: isaacs node-tar denial of service via PAX numeric path type confusion](https://junglewise.ai/threats/cve-2026-59871-isaacs-node-tar-denial-of-service-via-pax-numeric-path-type) (medium, CVSS 5.3, published 8 Jul 2026)
- [CVE-2026-59875: node-tar denial of service via NUL byte in PAX records](https://junglewise.ai/threats/cve-2026-59875-node-tar-denial-of-service-via-nul-byte-in-pax-records) (medium, CVSS 5.3, published 8 Jul 2026)
- [CVE-2026-31802: node-tar symlink path traversal via drive-relative linkpath](https://junglewise.ai/threats/cve-2026-31802-node-tar-symlink-path-traversal-via-drive-relative-linkpath) (medium, CVSS 4, published 10 Mar 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other npm technologies

- [openclaw (npm)](https://junglewise.ai/threats/technologies/npm-openclaw): 214 vulnerabilities
- [flowise (npm)](https://junglewise.ai/threats/technologies/flowise): 133 vulnerabilities
- [parse-server (npm)](https://junglewise.ai/threats/technologies/parse-server): 117 vulnerabilities
- [vm2 (npm)](https://junglewise.ai/threats/technologies/vm2): 111 vulnerabilities
- [electron (npm)](https://junglewise.ai/threats/technologies/electron): 77 vulnerabilities
- [ghost (npm)](https://junglewise.ai/threats/technologies/ghost): 74 vulnerabilities
- [n8n (npm)](https://junglewise.ai/threats/technologies/npm-n8n): 64 vulnerabilities
- [hono (npm)](https://junglewise.ai/threats/technologies/hono): 62 vulnerabilities
- [directus (npm)](https://junglewise.ai/threats/technologies/directus): 61 vulnerabilities
- [nocodb (npm)](https://junglewise.ai/threats/technologies/nocodb): 54 vulnerabilities
- [undici (npm)](https://junglewise.ai/threats/technologies/undici): 53 vulnerabilities
- [@budibase/server (npm)](https://junglewise.ai/threats/technologies/budibase-server): 42 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "tar (npm) vulnerabilities", https://junglewise.ai/threats/technologies/npm-tar, 13 November 2026.