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CVE-2026-2216— rachelos WeRSS we-mp-rss tools.py download_export_file path traversal

Quick assessment

Affected
rachelos WeRSS we-mp-rss
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.

WeRSS是Rachel开源的一个微信公众号系统。 WeRSS 1.4.8及之前版本存在路径遍历漏洞，该漏洞源于对文件apis/tools.py中函数download_export_file参数filename的错误操作，可能导致路径遍历。

CVSS 4.3 · Medium EPSS 0.31% · P22
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I. Basic Information for CVE-2026-2216

Vulnerability Information
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Vulnerability Title
rachelos WeRSS we-mp-rss tools.py download_export_file path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in rachelos WeRSS we-mp-rss up to 1.4.8. Impacted is the function download_export_file of the file apis/tools.py. Executing a manipulation of the argument filename can lead to path traversal. The attack can be launched remotely. The exploit has been published and may be used.
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
WeRSS 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WeRSS是Rachel开源的一个微信公众号系统。 WeRSS 1.4.8及之前版本存在路径遍历漏洞，该漏洞源于对文件apis/tools.py中函数download_export_file参数filename的错误操作，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
rachelos WeRSS we-mp-rss 1.4.0 -

II. Public POCs for CVE-2026-2216

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III. Intelligence Information for CVE-2026-2216

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IV. Related Vulnerabilities

Same product: WeRSS we-mp-rss
Same vendor: rachelos
Same weakness: CWE-22

V. Comments for CVE-2026-2216

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