CVE-2025-11563
4.6 · MEDIUMOverview
CVE-2025-11563 is a medium-severity vulnerability affecting curl wcurl. It was published on February 25, 2026 and has a CVSS 3.1 base score of 4.6 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.6, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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
Check the references section for vendor advisories and patches from curl. Update wcurl to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| curl | wcurl | >= 2024-12-08, < 2025-11-09 | Affected |
| haxx | curl | >= 8.14.0, < 8.18.0 | Affected |
Frequently Asked Questions
What is CVE-2025-11563?
CVE-2025-11563 is a medium-severity vulnerability affecting curl wcurl. It was published on February 25, 2026 and has a CVSS 3.1 base score of 4.6 (MEDIUM).
How severe is CVE-2025-11563?
This vulnerability has a CVSS 3.1 base score of 4.6, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2025-11563?
Check the references section for vendor advisories and patches from curl. Update wcurl to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-11563?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-11563 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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