{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "0.15.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "a1628d7dd26c2388ef38f4a53714374729dec07c"
            }
          ],
          "repo": "https://github.com/stoatchat/stoatchat",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-4rmr-77qv-hq47"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-918"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73058.json"
  },
  "details": "stoatchat versions before 0.15.0 fail to block the IPv6 unspecified address (::) in the SSRF blocklist, allowing unauthenticated attackers to bypass protections via the /proxy and /embed endpoints. Attackers can craft requests using IPv6 literal syntax to access services on the loopback interface and retrieve sensitive internal content.",
  "id": "CVE-2026-73058",
  "modified": "2026-08-19T03:31:14.470070991Z",
  "published": "2026-08-16T13:14:05.977Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73058.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/stoatchat/stoatchat/security/advisories/GHSA-4rmr-77qv-hq47"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73058"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/stoatchat-before-ssrf-via-ipv6-unspecified-address-bypass"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "stoatchat before 0.15.0 SSRF via IPv6 unspecified address bypass"
}