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CVE-2025-11563

Good to know:

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Date: November 3, 2025

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 affects wcurl v2024.12.08 before v2025.11.04

Severity Score

Related Resources (3)

https://nvd.nist.gov/vuln/detail/CVE-2025-11563
https://seclists.org/oss-sec/2025/q4/127
https://www.mend.io/vulnerability-database/CVE-2025-11563

Severity Score

Weakness Type (CWE)

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-22

Path Traversal: '.../...//'

CWE-35

Top Fix

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Upgrade Version

Upgrade to version https://github.com/curl/wcurl.git - v2025.11.04

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): NONE

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