CVE-2025-11563: wcurl path traversal with percent-encoded slashes
Published Feb 25, 2026
·Updated
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.
Affected Software
3 affected components
redhat/wcurl
All of the following
curl Wcurl>=2024-12-08<2025-11-09
haxx curl>=8.14.0<8.18.0
Remediation
Patch Available
Event History
Feb 25, 2026
CVE Published
via MITRE·07:20 AM
Data Sourced
via MITRE·07:20 AM
DescriptionWeakness
Data Sourced
via NVD·08:16 AM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-11563?
CVE-2025-11563 is considered a medium severity vulnerability due to its potential for path traversal attacks.
2
How do I fix CVE-2025-11563?
To fix CVE-2025-11563, ensure you update to the patched version of the wcurl tool provided by Red Hat.
3
What type of vulnerability is CVE-2025-11563?
CVE-2025-11563 is a path traversal vulnerability affecting the wcurl command line tool.
4
Who is affected by CVE-2025-11563?
CVE-2025-11563 specifically affects users of the wcurl command line tool, particularly in the context of Red Hat.
5
What can an attacker do with CVE-2025-11563?
An attacker can exploit CVE-2025-11563 to trick wcurl into saving files outside the intended directory.