CVE-2026-54729: 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
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
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-54729
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-54729 | coverage & exploitation status | NVD · CVE.org |
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