{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "1.8.0"
              },
              {
                "last_affected": "1.9.2"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "484c3a789cbedc10a04c3232814f538b33975803"
            },
            {
              "last_affected": "f8025c94c83681cac2e6e9f21793174f0d15a9b0"
            }
          ],
          "repo": "https://github.com/cheshire-cat-ai/core",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-863"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85093.json"
  },
  "details": "Cheshire Cat AI's GET /memory/collections/{collection_id}/points endpoint fails to apply per-user filtering when retrieving episodic memory points. Authenticated attackers with MEMORY:READ permission can retrieve all users' stored conversation messages and personal data by paginating through the collection using the offset cursor.",
  "id": "CVE-2026-85093",
  "modified": "2026-09-05T03:30:59.428038600Z",
  "published": "2026-09-03T01:04:45.860Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85093.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-85093"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/cheshire-cat-ai-memory-collection-endpoint-information-disclosure"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/cheshire-cat-ai/core/issues/1136"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/cheshire-cat-ai/core"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/cheshire-cat-ai/core/blob/1.9.2/core/cat/looking_glass/stray_cat.py"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/cheshire-cat-ai/core/blob/1.9.2/core/cat/routes/memory/points.py#L350"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Cheshire Cat AI Memory Collection Endpoint Information Disclosure"
}