Security advisory

{
  "id": "16133e968bf6747a9a5880dad90eb31521a27a17f41169faca5ebdfb63af9a06",
  "url": "https://osv.dev/vulnerability/CVE-2021-32639",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-32639",
    "summary": "Emissary is a P2P-based, data-driven workflow engine. Emissary version 6.4.0 is vulnerable to Server-Side Request Forgery (SSRF). In particular, the `RegisterPeerAction` endpoint and the `AddChildDirectoryAction` endpoint are vulnerable to SSRF. This vulnerability may lead to credential leaks. Emissary version 7.0 contains a patch. As a workaround, disable network access to Emissary from untrusted sources.",
    "evidence": "osv:CVE-2021-32639",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-32639",
      "aliases": [
        "CVE-2021-32639",
        "GHSA-2p8j-2rf3-h4xr"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/nationalsecurityagency/emissary",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "0be7265fdfa51f0c0b4e70598a234fc2c0ccdf7b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:nsa:emissary:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "6.4.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "6.4.0",
            "6.3.0",
            "6.2.0",
            "6.1.0",
            "6.0.0",
            "5.11.0",
            "5.10.0",
            "5.9.0",
            "5.8.0",
            "5.7.0",
            "5.6.0",
            "5.5.0",
            "5.4.1",
            "5.3.0",
            "5.2.0",
            "5.1.0",
            "5.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-32639.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:41.909500034Z",
      "provider": "osv",
      "references": [
        "https://github.com/NationalSecurityAgency/emissary/blob/30c54ef16c6eb6ed09604a929939fb9f66868382/src/main/java/emissary/server/mvc/internal/AddChildDirectoryAction.java",
        "https://github.com/NationalSecurityAgency/emissary/blob/30c54ef16c6eb6ed09604a929939fb9f66868382/src/main/java/emissary/server/mvc/internal/RegisterPeerAction.java",
        "https://github.com/NationalSecurityAgency/emissary/security/advisories/GHSA-2p8j-2rf3-h4xr"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-32639",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385918,
  "published_at": "2021-07-02T16:15:08.967+00:00"
}