{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "0.14.0"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "07217dfac43cacf02e4ed805ccb3330d4b37e1a9"
            }
          ],
          "repo": "https://github.com/stoatchat/stoatchat",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-918"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63088.json"
  },
  "details": "stoatchat before 0.14.0 contains a server-side request forgery (SSRF) vulnerability that allows unauthenticated network-accessible attackers to bypass the DNS-based IP blocklist by exploiting incomplete address validation in the url_is_blacklisted function, which inspects only the first resolved address while the underlying HTTP client iterates all cached addresses.",
  "id": "CVE-2026-63088",
  "modified": "2026-07-17T03:41:55.640931194Z",
  "published": "2026-07-16T16:40:56.120Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63088.json"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/stoatchat/stoatchat"
    },
    {
      "type": "FIX",
      "url": "https://github.com/stoatchat/stoatchat/releases/tag/v0.14.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/stoatchat/stoatchat/security/advisories/GHSA-4mcc-p83c-r77q"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/stoatchat/stoatchat/security/advisories/GHSA-xhww-5g9p-vvq5"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63088"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/stoatchat-ssrf-via-dns-based-ip-blocklist-bypass"
    }
  ],
  "related": [
    "GHSA-4mcc-p83c-r77q",
    "GHSA-xhww-5g9p-vvq5"
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "stoatchat \u003c 0.14.0 SSRF via DNS-based IP Blocklist Bypass"
}