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CVE-2025-11563— wcurl path traversal with percent-encoded slashes

Quick assessment

Affected
curl curl
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.

curl是cURL开源的一款用于从服务器传输数据或向服务器传输数据的工具。 curl存在安全漏洞，该漏洞源于攻击者可通过wcurl遍历目录，导致在服务根路径外写入文件。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.37% · P29

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2025-11563

Vulnerability Information
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Vulnerability Title
wcurl path traversal with percent-encoded slashes
Source: CVE Program / CVE List V5
Vulnerability Description
URLs containing percent-encoded slashes (`/` or `\`) can trick wcurl into saving the output file outside of the current directory without the user explicitly asking for it. This flaw only affects the wcurl command line tool.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
curl 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
curl是cURL开源的一款用于从服务器传输数据或向服务器传输数据的工具。 curl存在安全漏洞，该漏洞源于攻击者可通过wcurl遍历目录，导致在服务根路径外写入文件。
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
curl curl 8.17.0 ~ 8.17.0 -

II. Public POCs for CVE-2025-11563

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III. Intelligence Information for CVE-2025-11563

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IV. Related Vulnerabilities

Same product: curl
Same vendor: curl

V. Comments for CVE-2025-11563

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