CVE-2026-78638
peerigon unzip-crx/unzip-crx-3 Archive Extraction index.js unzip path traversal
- State
- Published
- Severity
- 4.8 Medium
- Published
- Aug 25, 2026
- Updated
- Aug 27, 2026
- Reserved
- Aug 24, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 3.3 Low | 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 | VulDB |
| 3.0 | 3.3 Low | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R | VulDB |
| 2.0 | 1.7 Low | AV:L/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-22 Path Traversal
Affected Products
| Product | Versions |
|---|---|
unzip-crxpeerigon |
|
unzip-crx-3peerigon |
|
References
- VDB-394865 | peerigon unzip-crx/unzip-crx-3 Archive Extraction index.js unzip path traversalvdb-entrytechnical-description
- VDB-394865 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-78638 | CVE Analysis and Reportthird-party-advisory
- Submit #886400 | peerigon / unzip-crx-3 (open source, unmaintained) unzip-crx-3 (npm) CRX/ZIP extraction library <=0.2.0 Path Traversalthird-party-advisory
- https://github.com/peerigon/unzip-crx/issues/19exploitissue-tracking
- https://github.com/peerigon/unzip-crx/product
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