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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.

在 peerigon 的 unzip-crx 和 unzip-crx-3 版本（最高至 0.2.0）中发现了一个漏洞。该漏洞影响组件“Archive Extraction”中 dist/index.js 文件里的 unzip 函数。通过操纵参数 destination，可导致路径遍历（path traversal）漏洞。该攻击仅能在本地执行。相关利用代码已公开，并可被实际使用。项目方已通过问题报告早期获知该问题，但截至目前尚未作出回应。

CVSS 3.3 · Low EPSS 0.14% · P3

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

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

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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

V. Comments for CVE-2026-78638

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