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CVE-2026-6636— p2r3 convert API buildCache.js Bun.serve path traversal

Quick assessment

Affected
p2r3 convert
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.

Convert是p2r3个人开发者的一个在线文件格式转换工具。 Convert存在安全漏洞，该漏洞源于对文件buildCache.js中组件API的函数Bun.serve的参数pathname操作不当，可能导致路径遍历攻击。

CVSS 4.3 · Medium EPSS 0.47% · P39
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I. Basic Information for CVE-2026-6636

Vulnerability Information
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Vulnerability Title
p2r3 convert API buildCache.js Bun.serve path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in p2r3 convert up to 6998584ace3e11db66dff0b423612a5cf91de75b. Affected is the function Bun.serve of the file buildCache.js of the component API. Performing a manipulation of the argument pathname results in path traversal. It is possible to initiate the attack remotely. The exploit is now public and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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
Convert 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Convert是p2r3个人开发者的一个在线文件格式转换工具。 Convert存在安全漏洞，该漏洞源于对文件buildCache.js中组件API的函数Bun.serve的参数pathname操作不当，可能导致路径遍历攻击。
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
p2r3 convert 6998584ace3e11db66dff0b423612a5cf91de75b -

II. Public POCs for CVE-2026-6636

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III. Intelligence Information for CVE-2026-6636

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Vendor Advisories for CVE-2026-6636 (2)

Other References for CVE-2026-6636 (1)

IV. Related Vulnerabilities

Same weakness: CWE-22

V. Comments for CVE-2026-6636

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