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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
Required
User action required
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v3.1
References 4
https://curl.se/docs/CVE-2025-11563.html
2499f714-1537-4658-8207-48ae4bb9eae9
https://curl.se/docs/CVE-2025-11563.json
2499f714-1537-4658-8207-48ae4bb9eae9
http://www.openwall.com/lists/oss-security/2025/11/04/1
af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-release/2025/11/msg00504.html
134c704f-9b21-4f2e-91b3-4a467353bcc0