SpiceDB: Caveat structures with nested lists can result in improper cache reuse

{
  "id": "946e6d89e759bca7eedb9befc1501775be8573d7e5fdf34e8aa662887d2275b0",
  "url": "https://osv.dev/vulnerability/CVE-2026-46668",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "SpiceDB: Caveat structures with nested lists can result in improper cache reuse",
    "summary": "SpiceDB is an open source database system for creating and managing security-critical application permissions. From version 1.15.0 to before version 1.52.0, caveat structures with nested lists can result in improper cache reuse. This issue has been patched in version 1.52.0.",
    "evidence": "osv:CVE-2026-46668",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-46668",
      "aliases": [
        "CVE-2026-46668",
        "GHSA-mqcf-gqvg-rmhm",
        "GO-2026-5514"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/authzed/spicedb",
              "type": "GIT",
              "events": [
                {
                  "introduced": "7f3f207ac2a9ad8dddd37606b25f0f6b5c265bc8"
                },
                {
                  "fixed": "76fc1537501e6148b0e2c846259fd81cacbe21fd"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "1.15.0"
                      },
                      {
                        "fixed": "1.52.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "fixed": "76fc1537501e6148b0e2c846259fd81cacbe21fd"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v1.52.0"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.52.0"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.51.0",
            "v1.50.0",
            "v1.49.2",
            "v1.49.1",
            "v1.49.0",
            "v1.48.0",
            "v1.47.1",
            "v1.47.0",
            "v1.46.2",
            "v1.46.1",
            "v1.46.0",
            "v1.45.4",
            "v1.45.3",
            "v1.45.2",
            "v1.45.1",
            "v1.45.0",
            "v1.44.4",
            "v1.44.3",
            "v1.44.0",
            "v1.43.0",
            "v1.42.1",
            "v1.42.0",
            "v1.41.0",
            "v1.40.1",
            "v1.40.0",
            "v1.39.0",
            "v1.38.0",
            "v1.37.0",
            "v1.35.3",
            "v1.35.2",
            "v1.35.1",
            "v1.35.0",
            "v1.34.0",
            "v1.33.0",
            "v1.32.0",
            "v1.31.0",
            "v1.30.0",
            "v1.29.1-rc1",
            "v1.29.1",
            "v1.29.0",
            "v1.28.0-rc1",
            "v1.28.0",
            "v1.27.1-rc1",
            "v1.27.0",
            "v1.27.0-rc1",
            "v1.26.0-rc2",
            "v1.26.0",
            "v1.26.0-rc1",
            "v1.25.0",
            "v1.25.0-rc4",
            "v1.25.0-rc3",
            "v1.25.0-rc2",
            "v1.25.0-rc1",
            "v1.24.0-rc3",
            "v1.24.0",
            "v1.24.0-rc2",
            "v1.24.0-rc1",
            "v1.23.1-rc1",
            "v1.23.1",
            "v1.23.0-rc4",
            "v1.23.0",
            "v1.23.0-rc3",
            "v1.23.0-rc2",
            "v1.23.0-rc1",
            "v1.22.2",
            "v1.22.1-rc1",
            "v1.22.1",
            "v1.22.0",
            "v1.22.0-rc8",
            "v1.22.0-rc7",
            "v1.22.0-rc6",
            "v1.22.0-rc5",
            "v1.22.0-rc4",
            "v1.22.0-rc2",
            "v1.22.0-rc1",
            "v1.21.0",
            "v1.21.0-rc1",
            "v1.19.0",
            "v1.18.1",
            "v1.17.0",
            "v1.16.2",
            "v1.16.1",
            "v1.16.0",
            "v1.15.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-46668.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.825404389Z",
      "provider": "osv",
      "references": [
        "https://github.com/authzed/spicedb/releases/tag/v1.52.0",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46668.json",
        "https://github.com/authzed/spicedb/security/advisories/GHSA-mqcf-gqvg-rmhm",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-46668",
        "https://github.com/authzed/spicedb/pull/3065"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-285"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46668.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-46668",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 518424,
  "published_at": "2026-06-10T20:11:44.193+00:00"
}