CVE-2025-4947

PoC —

CVSS 3.1

6.5 medium

EPSS

<1%p21

Published

May 28, 2025 (May 28, 2025)

Modified

Jun 17, 2026

Description

libcurl accidentally skips the certificate verification for QUIC connections when connecting to a host specified as an IP address in the URL. Therefore, it does not detect impostors or man-in-the-middle attacks.

Vendors: haxx
Products: curl
Weakness: CWE-295
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.3%)

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