{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "dssrf"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-44232"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-791"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-06T18:13:32Z",
    "nvd_published_at": "2026-05-12T21:16:16Z",
    "severity": "HIGH"
  },
  "details": "A vulnerability on dssrf allow, an attacker to use, one of them following ipv6\n\n```rust\nInput\tCategory\nhttp://[::1]/\tIPv6 loopback\nhttp://[fc00::1]/\tIPv6 ULA\nhttp://[fe80::1]/\tIPv6 link-local\nhttp://[::ffff:127.0.0.1]/\tIPv4-mapped loopback\nhttp://[::ffff:169.254.169.254]/\tIPv4-mapped IMDS\nhttp://[::ffff:100.64.0.1]/\tIPv4-mapped CGNAT\nhttp://[64:ff9b::7f00:1]/\tNAT64 well-known prefix\nhttp://[64:ff9b:1::1]/\tNAT64 local-use (RFC 8215)\nhttp://[5f00::1]/\tSRv6 SID (RFC 9602)\nhttp://[3fff::1]/\tIPv6 documentation (RFC 9637)\nhttp://[fec0::1]/\tIPv6 site-local (deprecated, RFC 3879)\nhttp://[::127.0.0.1]/\tIPv4-compatible IPv6\n```\n\none of those to bypass dssrf and the attacker get **SSRF**, we claim that ipv6 disabled entirely that is wrong on our documentation\n\n### POC\n\n```bash\nmkdir dssrf-poc \u0026\u0026 cd dssrf-poc\nnpm init -y \u003e/dev/null\nnpm install dssrf@^1.0.2\ncat \u003e audit.js \u003c\u003c\u0027EOF\u0027\nconst dssrf = require(\u0027dssrf\u0027);\nconst cases = [\n  [\u0027http://[::1]/\u0027,                         \u0027IPv6 loopback\u0027],\n  [\u0027http://[fc00::1]/\u0027,                     \u0027IPv6 ULA\u0027],\n  [\u0027http://[fe80::1]/\u0027,                     \u0027IPv6 link-local\u0027],\n  [\u0027http://[::ffff:127.0.0.1]/\u0027,            \u0027IPv4-mapped loopback\u0027],\n  [\u0027http://[::ffff:169.254.169.254]/\u0027,      \u0027IPv4-mapped IMDS\u0027],\n  [\u0027http://[64:ff9b::7f00:1]/\u0027,             \u0027NAT64 well-known + 127.0.0.1\u0027],\n  [\u0027http://[64:ff9b:1::1]/\u0027,                \u0027NAT64 local-use (RFC 8215)\u0027],\n  [\u0027http://[5f00::1]/\u0027,                     \u0027SRv6 SID (RFC 9602)\u0027],\n  [\u0027http://[fec0::1]/\u0027,                     \u0027IPv6 site-local deprecated\u0027],\n  [\u0027http://127.0.0.1/\u0027,                     \u0027IPv4 loopback (control)\u0027],\n  [\u0027http://10.0.0.1/\u0027,                      \u0027IPv4 RFC1918 (control)\u0027],\n  [\u0027http://8.8.8.8/\u0027,                       \u0027PUBLIC IPv4 (control)\u0027],\n];\n(async () =\u003e {\n  for (const [url, label] of cases) {\n    const safe = await dssrf.is_url_safe(url);\n    console.log(`${safe ? \u0027\u2713ALLOW\u0027 : \u0027\u00b7block\u0027}  ${url.padEnd(40)}  ${label}`);\n  }\n})();\nEOF\nnode audit.js\n```\n\n### Credit\nMillion Thank\u0027s to \u003cbrmenna@gmail.com\u003e for reporting that responsibly.\n\n### Update\nUsers need to update from now to dssrf 1.0.3\n\n### Lessons Learned\nAS we see in the past and today, a lot of advisories or cves bypasses uses IPv6, and IPv6 is the weakest link to be configured correctly and rarely properly tested, Since we blocked ipv4, our ipv6 blocking logic completly broken and never works",
  "id": "GHSA-8p33-q827-ghj5",
  "modified": "2026-06-18T22:54:14Z",
  "published": "2026-05-06T18:13:32Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/HackingRepo/dssrf-js/security/advisories/GHSA-8p33-q827-ghj5"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44232"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/HackingRepo/dssrf-js"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "dssrf: every IPv6 category bypasses is_url_safe"
}