CVE-2025-11563

Medium

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.

SeverityMedium

CVSS4.6

Exploit probability—

ProductWcurl

PublishedFeb 25, 2026

First seenFeb 25, 2026

Weakness typeCWE-35CWE-35

How to fix

Update

curl wcurl2025-11-09 or later

Vendor advisories

lists.debian.org/debian-release/2025/11/msg00504.html

Affected products

Product	Affected versions	Fixed in
curl wcurl	2024-12-08 ≤ v < 2025-11-09	2025-11-09

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