Mathesar: Missing collaborator checks allowed access to saved explorations in other databases

{
  "id": "f4e50442d24991b523020739ce46b964b089656495dec65caf54724ef6330f7d",
  "url": "https://osv.dev/vulnerability/CVE-2026-44718",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Mathesar: Missing collaborator checks allowed access to saved explorations in other databases",
    "summary": "Mathesar is a web application that makes working with PostgreSQL databases both simple and powerful. From 0.2.0 to before 0.10.0, explorations.get, explorations.replace, and explorations.delete operate on an exploration_id without verifying that the requesting user was a collaborator on the exploration’s database. An authenticated user on the same Mathesar installation who knew or guessed an exploration ID could read, replace, or delete a saved exploration belonging to a database where they were not a collaborator. This affected Mathesar-managed saved exploration definitions, including names, descriptions, selected columns, display metadata, filters, sorting, and transformations. This vulnerability is fixed in 0.10.0.",
    "evidence": "osv:CVE-2026-44718",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-44718",
      "aliases": [
        "CVE-2026-44718",
        "GHSA-wf8r-g5rp-w69f"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mathesar-foundation/mathesar",
              "type": "GIT",
              "events": [
                {
                  "introduced": "a5328e98341616fca0cf58fa3a62649a653f344d"
                },
                {
                  "fixed": "ec0600b32fd10ae9578bf7190c123559f041b944"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0.2.0"
                      },
                      {
                        "fixed": "0.10.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.10.0"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.9.0",
            "0.8.0",
            "0.7.1",
            "0.7.0",
            "0.6.0",
            "0.4.0",
            "0.2.5",
            "0.2.4",
            "0.2.3",
            "0.2.2",
            "0.2.1",
            "0.2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-44718.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:24.672261479Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44718.json",
        "https://github.com/mathesar-foundation/mathesar/security/advisories/GHSA-wf8r-g5rp-w69f",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-44718"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-639",
          "CWE-862"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44718.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-44718",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 490954,
  "published_at": "2026-05-15T18:23:10.517+00:00"
}