How serious is CVE-2025-11563?

This vulnerability has a CVSS score of 4.6 out of 10, classified as MEDIUM severity. No public exploit code has been identified yet.

Which products are affected by CVE-2025-11563?

CVE-2025-11563 affects curl wcurl. Check the full CVE details for specific version information.

How do I fix CVE-2025-11563?

To remediate CVE-2025-11563, check for security patches from curl. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2025-11563

Medium

|4.6

No Exploit

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows an attacker to manipulate the wcurl tool into saving files in unintended locations on the user's system, potentially exposing sensitive data or overwriting important files. It occurs when the attacker uses URLs with special encoded characters that trick the tool, and it specifically affects users of the wcurl command line tool.

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.

CVSS Vector Analysis

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

Confidentiality ImpactLow

Integrity ImpactLow

Availability ImpactNone

ScopeUnchanged

Vector String

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Exploit Resources

Search for proof-of-concept code and exploit modules

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Official References

NIST NVD

Est. Bounty

$603($500-$1K)

Vendor Response

Grade APatched in 1 day

Quick Information

Published

Feb 25, 2026

about 1 month ago

Last Modified

Feb 26, 2026

about 1 month ago

Vendor

curl

Product

wcurl