Vulnerability · Published Aug 25, 2026 · Assigned by VulDB
CVE-2026-78638peerigon unzip-crx/unzip-crx-3 Archive Extraction index.js unzip path traversal
Low 3.3
In plain English
A low-severity path traversal in unzip-crx from peerigon. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Official description
A flaw has been found in peerigon unzip-crx and unzip-crx-3 up to 0.2.0. This affects the function unzip of the file dist/index.js of the component Archive Extraction. Executing a manipulation of the argument destination can lead to path traversal. The attack can only be executed locally. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| peerigon | unzip-crx | 0.10.2.0 |
| peerigon | unzip-crx-3 | 0.10.2.0 |
Weakness: CWE-22 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
References
- VDB-394865 | peerigon unzip-crx/unzip-crx-3 Archive Extraction index.js unzip path traversal vdb-entry, technical-description
- VDB-394865 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-78638 | CVE Analysis and Report third-party-advisory
- Submit #886400 | peerigon / unzip-crx-3 (open source, unmaintained) unzip-crx-3 (npm) CRX/ZIP extraction library <=0.2.0 Path Traversal third-party-advisory
- https://github.com/peerigon/unzip-crx/issues/19 exploit, issue-tracking
- https://github.com/peerigon/unzip-crx/ product