CVE-2025-11563
wcurl path traversal with percent-encoded slashes
MEDIUM
4.6
CVSS Score
Published: February 25, 2026 at 07:20 AM UTC
Updated: June 17, 2026 at 08:30 AM UTC
2 products affected across 2 vendorsWcurlCurl
Using curl by curl?
Get instant alerts when new vulnerabilities affect curl - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM4.6
Exploit prediction
EPSS 0.4%
SSVC
No known exploit
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2025/11/04/1Mailing ListPatchThird Party Advisory
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://lists.debian.org/debian-release/2025/11/msg00504.htmlSSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
4.6MEDIUMCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusANALYZED
CWE
CWE-22
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card