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CVE-2026-78638— peerigon unzip-crx/unzip-crx-3 Archive Extraction index.js unzip path traversal

Quick assessment

Affected
peerigon unzip-crx
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Peerigon unzip-crx是德国Peerigon组织的一款解压浏览器扩展文件的组件。 Peerigon unzip-crx 0.2.0及之前版本和unzip-crx-3 0.2.0及之前版本存在路径遍历漏洞，该漏洞源于对文件dist/index.js中unzip函数的destination参数操作不当，可能导致路径遍历。

CVSS 3.3 · Low EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 4

VendorProduct Version RangeStatus
peerigon unzip-crx 0.1 affected
0.2.0 affected
peerigon unzip-crx-3 0.1 affected
0.2.0 affected
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I. Basic Information for CVE-2026-78638

Vulnerability Information
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Vulnerability Title
peerigon unzip-crx/unzip-crx-3 Archive Extraction index.js unzip path traversal
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Peerigon unzip-crx 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Peerigon unzip-crx是德国Peerigon组织的一款解压浏览器扩展文件的组件。 Peerigon unzip-crx 0.2.0及之前版本和unzip-crx-3 0.2.0及之前版本存在路径遍历漏洞，该漏洞源于对文件dist/index.js中unzip函数的destination参数操作不当，可能导致路径遍历。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
peerigon unzip-crx 0.1 cpe:2.3:a:peerigon:unzip-crx:*:*:*:*:*:*:*:*
peerigon unzip-crx-3 0.1 cpe:2.3:a:peerigon:unzip-crx-3:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-78638

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-78638

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Vendor Advisories for CVE-2026-78638 (2)

Proof of Concept for CVE-2026-78638 (1)

Other References for CVE-2026-78638 (1)

IV. Related Vulnerabilities

Same vendor: peerigon
Same weakness: CWE-22