CVE-2025-11563

wcurl path traversal with percent-encoded slashes

CVSS 4.6 MEDIUMEPSS 0.3%

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.6EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

25 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

Affected products

curl · curl

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References

https://curl.se/docs/CVE-2025-11563.html https://curl.se/docs/CVE-2025-11563.json https://lists.debian.org/debian-release/2025/11/msg00504.html http://www.openwall.com/lists/oss-security/2025/11/04/1