Emlog has Broken Access Control (BAC)

{
  "id": "432d72da87ca65986ae4c3aeb0894beb3899c38fb3e60cfbba72471cc792df03",
  "url": "https://osv.dev/vulnerability/CVE-2026-21429",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Emlog has Broken Access Control (BAC)",
    "summary": "Emlog is an open source website building system. In version 2.5.23, the admin can set controls which makes users unable to edit or delete their articles after publishing them. As of time of publication, no known patched versions are available.",
    "evidence": "osv:CVE-2026-21429",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-21429",
      "aliases": [
        "CVE-2026-21429",
        "GHSA-jw5v-2g53-rx8w"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/emlog/emlog",
              "type": "GIT",
              "events": [
                {
                  "introduced": "357cf42d18ae7dc6296728a737c16c835e9ec159"
                },
                {
                  "last_affected": "357cf42d18ae7dc6296728a737c16c835e9ec159"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "= 2.5.23"
                      },
                      {
                        "last_affected": "= 2.5.23"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "cpe": "cpe:2.3:a:emlog:emlog:2.5.23:*:*:*:pro:*:*:*",
                    "range": [
                      {
                        "introduced": "2.5.23"
                      },
                      {
                        "last_affected": "2.5.23"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.5.23",
            "= 2.5.23",
            "pro-2.5.23"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-21429.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:50.712611880Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21429.json",
        "https://github.com/emlog/emlog/security/advisories/GHSA-jw5v-2g53-rx8w",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-21429"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-862"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21429.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-21429",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 519325,
  "published_at": "2026-01-02T17:23:17.252+00:00"
}