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Vulnerability IntelligenceCVE-2026-54729

CVE-2026-54729

HIGH8.7

dssrf: any users using 1.1.1.1 DNS is impacted by SSRF

Published Jul 31, 2026

Modified 2 weeks ago

Details

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.

References

https://github.com/HackingRepo/dssrf-js/commit/668c21792cd1252baf779a176aa652e2b4c0067d

https://github.com/HackingRepo/dssrf-js/pull/102

https://github.com/HackingRepo/dssrf-js/security/advisories/GHSA-5846-7qm3-r52j

https://www.cve.org/CVERecord?id=CVE-2026-54729

CVSS Analysis

CVSS v4.0

8.7

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Attack Requirements

NoneAT:N

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Vulnerable System

Vuln. Confidentiality

NoneVC:N

Vuln. Integrity

HighVI:H

Vuln. Availability

NoneVA:N

Subsequent System

Subseq. Confidentiality

NoneSC:N

Subseq. Integrity

NoneSI:N

Subseq. Availability

NoneSA:N

8.7/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

Weakness Type (CWE)

Input Validation

Server-Side Request Forgery (SSRF)

Ecosystems

Timeline

PublishedJul 31, 2026

ModifiedJul 31, 2026

CVE-2026-54729 | Mondoo Vulnerability Intelligence