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.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Feb 25, 2026 · NIST NVD

   Detected

   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.

2. Jun 17, 2026 · NIST NVD

   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

• cpe curl/wcurlversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2025-11563

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2025-11563

  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.

  nvd.nist.gov

References

• Mailing List · openwall.com
• Patch · curl.se
• Vendor Advisory · curl.se
• Mailing List · lists.debian.org