Skip to content
Heist/ feed
Back to feed
High

Bypass of email address validation via encoded email addresses in Discourse

Type: advisorySources: OSV

Discourse is an open source platform for community discussion. A maliciously crafted email address could allow an attacker to bypass domain-based restrictions and gain access to private sites, categories and/or groups. This issue has been patched in the latest stable, beta and tests-passed version of Discourse. All users area are advised to upgrade. There are no known workarounds for this vulnerability.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2024-45051
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 04:46 UTC · Revision 1

Source evidence

Bypass of email address validation via encoded email addresses in Discourse

core-osv · Original source

Published 7 Oct 2024, 20:23 UTC

Discourse is an open source platform for community discussion. A maliciously crafted email address could allow an attacker to bypass domain-based restrictions and gain access to private sites, categories and/or groups. This issue has been patched in the latest stable, beta and tests-passed version of Discourse. All users area are advised to upgrade. There are no known workarounds for this vulnerability.

osv:CVE-2024-45051
Complete source record
{
  "id": "ecb110ab4524514e748bce2711be8f3c74df974c9c80ea8b830a22fd7338a452",
  "url": "https://osv.dev/vulnerability/CVE-2024-45051",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Bypass of email address validation via encoded email addresses in Discourse",
    "summary": "Discourse is an open source platform for community discussion. A maliciously crafted email address could allow an attacker to bypass domain-based restrictions and gain access to private sites, categories and/or groups. This issue has been patched in the latest stable, beta and tests-passed version of Discourse. All users area are advised to upgrade. There are no known workarounds for this vulnerability.",
    "evidence": "osv:CVE-2024-45051",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2024-45051",
      "aliases": [
        "BIT-discourse-2024-45051",
        "CVE-2024-45051",
        "GHSA-2vjv-pgh4-6rmq"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/discourse/discourse",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "c5f9a300d8ef7ad6e65b49705969c4bab231dc04"
                },
                {
                  "fixed": "4abee26a32a1bd38ec19dfd9f28074db17ebb33a"
                },
                {
                  "introduced": "85abac4230da6114dfa95702d3529ca632fc0d06"
                },
                {
                  "last_affected": "85abac4230da6114dfa95702d3529ca632fc0d06"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:discourse:discourse:*:*:*:*:stable:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "3.3.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:discourse:discourse:*:*:*:*:beta:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "3.4.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:discourse:discourse:3.4.0:beta1:*:*:beta:*:*:*",
                    "range": [
                      {
                        "introduced": "3.4.0-beta1"
                      },
                      {
                        "last_affected": "3.4.0-beta1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.4.0-beta1",
            "beta: < 3.4.0.beta2",
            "stable: < 3.3.2",
            "v3.3.1",
            "v3.4.0.beta1",
            "v3.3.0",
            "v3.2.5",
            "v3.2.4",
            "v3.2.3",
            "v3.2.2",
            "v3.2.1",
            "v3.2.0",
            "v3.1.5",
            "v3.1.4",
            "v3.1.3",
            "v3.1.2",
            "v3.1.1",
            "v3.1.0",
            "v3.0.6",
            "v3.0.5",
            "v3.0.4",
            "v3.0.3",
            "v3.0.2",
            "v3.0.1",
            "v3.0.0",
            "v2.8.14",
            "v2.8.13",
            "v2.8.12",
            "v2.8.11",
            "v2.8.10",
            "v2.8.9",
            "v2.8.8",
            "v2.8.7",
            "v2.8.6",
            "v2.8.5",
            "v2.8.4",
            "v2.8.3",
            "v2.8.2",
            "v2.8.1",
            "v2.8.0",
            "v2.7.13",
            "v2.7.12",
            "v2.7.11",
            "v2.7.10",
            "v2.7.9",
            "v2.7.8",
            "v2.7.7",
            "v2.7.6",
            "v2.7.5",
            "v2.7.4",
            "v2.7.3",
            "v2.7.2",
            "v2.7.1",
            "v2.7.0",
            "v2.6.7",
            "v2.6.6",
            "v2.6.5",
            "v2.6.4",
            "v2.6.3",
            "v2.6.2",
            "v2.6.1",
            "v2.6.0",
            "v2.5.5",
            "v2.5.4",
            "v2.5.3",
            "v2.5.2",
            "v2.5.1",
            "v2.5.0",
            "v2.4.5",
            "v2.4.4",
            "v2.4.3",
            "v2.4.2",
            "v2.4.1",
            "v2.4.0",
            "v2.3.10",
            "v2.3.9",
            "v2.3.8",
            "v2.3.7",
            "v2.3.6",
            "v2.3.5",
            "v2.3.4",
            "v2.3.3",
            "v2.3.2",
            "v2.3.1",
            "v2.3.0",
            "v2.2.6",
            "v2.2.5",
            "v2.2.4",
            "v2.2.3",
            "v2.2.2",
            "v2.2.1",
            "v2.2.0",
            "v2.1.8",
            "v2.1.7",
            "v2.1.6",
            "v2.1.5",
            "v2.1.4",
            "v2.1.3",
            "v2.1.2",
            "v2.1.1",
            "v2.1.0",
            "v2.0.5",
            "v2.0.4",
            "v2.0.3",
            "v2.0.2",
            "v2.0.1",
            "v2.0.0",
            "v1.9.7",
            "v1.9.6",
            "v1.9.5",
            "v1.9.4",
            "v1.9.3",
            "v1.9.2",
            "v1.9.1",
            "v1.9.0",
            "v1.8.11",
            "v1.8.10",
            "v1.8.9",
            "v1.8.8",
            "v1.8.7",
            "v1.8.6",
            "v1.8.5",
            "v1.8.4",
            "v1.8.3",
            "v1.8.2",
            "v1.8.1",
            "v1.8.0",
            "v1.7.10",
            "v1.7.9",
            "v1.7.8",
            "v1.7.7",
            "v1.7.6",
            "v1.7.5",
            "v1.7.4",
            "v1.7.3",
            "v1.7.2",
            "v1.7.1",
            "v1.7.0",
            "v1.6.10",
            "v1.6.9",
            "v1.6.8",
            "v1.6.7",
            "v1.6.6",
            "v1.6.5",
            "v1.6.4",
            "v1.6.3",
            "v1.6.2",
            "v1.6.1",
            "v1.6.0",
            "v1.5.4",
            "v1.5.3",
            "v1.5.2",
            "v1.5.1",
            "v1.5.0",
            "v1.4.7",
            "v1.4.6",
            "v1.4.5",
            "v1.4.4",
            "v1.4.3",
            "v1.4.2",
            "v1.4.1",
            "v1.4.0",
            "v1.3.5",
            "v1.3.4",
            "v1.3.3",
            "v1.3.2",
            "v1.3.1",
            "v1.3.0",
            "v1.2.4",
            "v1.2.3",
            "v1.2.2",
            "v1.2.1",
            "v1.2.0",
            "v1.1.3",
            "v1.1.2",
            "v1.1.1",
            "v1.1.0",
            "v1.0.4",
            "v1.0.3",
            "v1.0.2",
            "v1.0.1",
            "v1.0.0",
            "v0.9.9.18",
            "v0.9.9.17",
            "v0.9.9.16",
            "v0.9.9.15",
            "v0.9.9.14",
            "v0.9.9.13",
            "v0.9.9.12",
            "v0.9.9.11",
            "v0.9.9.10",
            "v0.9.9.9",
            "v0.9.9.8",
            "v0.9.9.7",
            "v0.9.9.6",
            "v0.9.9.5",
            "v0.9.9.4",
            "v0.9.9.3",
            "v0.9.9.2",
            "v0.9.9.1",
            "v0.9.8.11",
            "v0.9.8.10",
            "v0.9.8.9",
            "v0.9.8.8",
            "v0.9.8.7",
            "v0.9.8.6",
            "v0.9.8.5",
            "v0.9.8.4",
            "v0.9.8.3",
            "v0.9.8.2",
            "v0.9.8.1",
            "v0.9.8",
            "v0.9.7.9",
            "v0.9.7.8",
            "v0.9.7.7",
            "v0.9.7.6",
            "v0.9.7.5",
            "v0.9.7.4",
            "v0.9.7.3",
            "v0.9.7.2",
            "v0.9.7.1",
            "v0.9.7",
            "v0.9.6.4",
            "v0.9.6.3",
            "v0.9.6.1",
            "v0.9.6",
            "v0.9.5.2",
            "v0.9.5.1",
            "v0.9.5",
            "v0.9.4",
            "v0.9.3",
            "v0.9.2.6",
            "v0.9.2.5",
            "v0.9.2",
            "v0.9.1",
            "v0.9.0",
            "v0.8.9",
            "v0.8.8",
            "v0.8.7",
            "v0.8.6",
            "v0.8.5",
            "v0.8.4",
            "v0.8.3",
            "v0.8.2",
            "v0.8.1",
            "v0.8.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-45051.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:33.455819405Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/45xxx/CVE-2024-45051.json",
        "https://github.com/discourse/discourse/security/advisories/GHSA-2vjv-pgh4-6rmq",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-45051"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-287"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/45xxx/CVE-2024-45051.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-45051",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 500381,
  "published_at": "2024-10-07T20:23:01.955+00:00"
}