Vulnerabilities CVE-2026-54729

CVE-2026-54729

High

Open

TLP:CLEAR

dssrf: any users using 1.1.1.1 DNS is impacted by SSRF

NVD CVE.org

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Description

DSSRF is a Node.js library that provides a wide range of utilities and advanced SSRF defense checks. Prior to 1.0.5, is_url_safe can treat localhost as safe when DNS resolver 1.1.1.1 returns NXDOMAIN because dns.resolve4 yields no address and no dns.lookup fallback occurs, allowing server-side request forgery. This issue is fixed in version 1.0.5.

Details

CVSS Score: 8.7
EPSS Score ⓘ: 0.29%

21.6th percentile
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Confidence: 90%
Published: Jul 31, 2026
Last Modified: Jul 31, 2026

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