{"id":"CVE-2026-44221","aliases":["EUVD-2026-29798","GHSA-fxc7-fm93-6q77"],"status":"published","title":"ArcadeDB: Cross-database authorization bypass and unsecured newly-created databases","description":"ArcadeDB is a Multi-Model DBMS. Starting in version 21.10.1 and prior to version 26.4.2, authenticated users and API tokens scoped to a specific database could read, write, and mutate schema on any other database on the same server. Two distinct defects contributed: (1) ServerSecurityUser.getDatabaseUser() returned a DB user with an uninitialized fileAccessMap, which requestAccessOnFile treated as allow-all; (2) ArcadeDBServer.createDatabase() omitted factory.setSecurity(...) so any database created via POST /api/v1/server {\"command\":\"create database X\"} had its entire record-level authorization system silently disabled. In combination, record-level and database-level authorization could be bypassed by any authenticated principal. This vulnerability is fixed in 26.4.2.","severity":{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00338,"percentile":0.27522,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2026-05-05T22:22:22Z","modified":"2026-10-28T11:10:52Z","fixes":[{"ecosystem":"Maven","package":"com.arcadedb:arcadedb-server","fixed_in":["26.4.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"com.arcadedb:arcadedb-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"21.10.1"},{"fixed":"26.4.2"}]}]},{"source":"osv","ecosystem":"Maven","package":"com.arcadedb:arcadedb-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"21.10.1"},{"fixed":"26.4.2"}]}],"versions":["21.10.1","21.10.2","21.11.1","21.12.1","22.1.1","22.1.2","22.1.3","22.10.1","22.11.1","22.12.1","22.2.1","22.8.1","22.9.1","23.1.1","23.1.2","23.10.1","23.11.1","23.12.1","23.12.2","23.2.1","23.3.1","23.4.1","23.5.1","23.6.1","23.7.1","23.9.1","24.1.1","24.10.1","24.11.1","24.11.2","24.2.1","24.4.1","24.5.1","24.6.1","25.1.1","25.10.1","25.11.1","25.12.1","25.2.1","25.3.1","25.3.2","25.4.1","25.5.1","25.6.1","25.7.1","25.8.1","25.9.1","26.1.1","26.2.1","26.2.2","26.3.1","26.3.2"]}],"products":[{"vendor":"arcadedata","product":"arcadedb"}],"references":[{"url":"https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-fxc7-fm93-6q77","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/ArcadeData/arcadedb/commit/04110c06315da55604ac107f71fe7182f3a3deb8","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/ArcadeData/arcadedb/commit/9e708f116b","tags":["x_refsource_MISC","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44221","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-fxc7-fm93-6q77"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44221.json","tags":["advisory"]},{"url":"https://github.com/ArcadeData/arcadedb","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-44221","title":"ArcadeDB: Cross-database authorization bypass and unsecured newly-created databases","description":"ArcadeDB is a Multi-Model DBMS. Starting in version 21.10.1 and prior to version 26.4.2, authenticated users and API tokens scoped to a specific database could read, write, and mutate schema on any other database on the same server. Two distinct defects contributed: (1) ServerSecurityUser.getDatabaseUser() returned a DB user with an uninitialized fileAccessMap, which requestAccessOnFile treated as allow-all; (2) ArcadeDBServer.createDatabase() omitted factory.setSecurity(...) so any database created via POST /api/v1/server {\"command\":\"create database X\"} had its entire record-level authorization system silently disabled. In combination, record-level and database-level authorization could be bypassed by any authenticated principal. This vulnerability is fixed in 26.4.2.","status":"published","published":"2026-05-12T19:53:39.307Z","modified":"2026-08-03T20:41:28.854Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T13:43:00.288193Z"}],"euvd":[{"id":"EUVD-2026-29798","description":"ArcadeDB is a Multi-Model DBMS. Starting in version 21.10.1 and prior to version 26.4.2, authenticated users and API tokens scoped to a specific database could read, write, and mutate schema on any other database on the same server. Two distinct defects contributed: (1) ServerSecurityUser.getDatabaseUser() returned a DB user with an uninitialized fileAccessMap, which requestAccessOnFile treated as allow-all; (2) ArcadeDBServer.createDatabase() omitted factory.setSecurity(...) so any database created via POST /api/v1/server {\"command\":\"create database X\"} had its entire record-level authorization system silently disabled. In combination, record-level and database-level authorization could be bypassed by any authenticated principal. This vulnerability is fixed in 26.4.2.","status":"published","published":"2026-05-12T19:53:39Z","modified":"2026-08-03T20:41:28Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:02:23.68186Z"}],"ghsa":[{"id":"GHSA-fxc7-fm93-6q77","title":"ArcadeDB vulnerable to cross-database authorization bypass and unsecured newly-created databases","description":"### Impact\nAuthenticated users and API tokens scoped to a specific database could read, write, and mutate schema on any other database on the same server. Two distinct defects contributed: (1) ServerSecurityUser.getDatabaseUser() returned a DB user with an uninitialized fileAccessMap, which requestAccessOnFile treated as allow-all; (2) ArcadeDBServer.createDatabase() omitted factory.setSecurity(...) so any database created via POST /api/v1/server {\"command\":\"create database X\"} had its entire record-level authorization system silently disabled. In combination, record-level and database-level authorization could be bypassed by any authenticated principal.\n\n### Patches\nUpgrade to version 26.4.2\n\n### Resources\n\nhttps://github.com/ArcadeData/arcadedb/commit/04110c06315da55604ac107f71fe7182f3a3deb8","status":"published","published":"2026-05-05T22:22:22Z","modified":"2026-08-03T20:40:43Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:40:55.903445Z"}],"nvd":[{"id":"CVE-2026-44221","description":"ArcadeDB is a Multi-Model DBMS. Starting in version 21.10.1 and prior to version 26.4.2, authenticated users and API tokens scoped to a specific database could read, write, and mutate schema on any other database on the same server. Two distinct defects contributed: (1) ServerSecurityUser.getDatabaseUser() returned a DB user with an uninitialized fileAccessMap, which requestAccessOnFile treated as allow-all; (2) ArcadeDBServer.createDatabase() omitted factory.setSecurity(...) so any database created via POST /api/v1/server {\"command\":\"create database X\"} had its entire record-level authorization system silently disabled. In combination, record-level and database-level authorization could be bypassed by any authenticated principal. This vulnerability is fixed in 26.4.2.","status":"published","published":"2026-05-12T20:16:43.02Z","modified":"2026-10-26T18:10:00.173Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:12:18.613259Z"}],"osv":[{"id":"CVE-2026-44221","title":"ArcadeDB: Cross-database authorization bypass and unsecured newly-created databases","description":"ArcadeDB is a Multi-Model DBMS. Starting in version 21.10.1 and prior to version 26.4.2, authenticated users and API tokens scoped to a specific database could read, write, and mutate schema on any other database on the same server. Two distinct defects contributed: (1) ServerSecurityUser.getDatabaseUser() returned a DB user with an uninitialized fileAccessMap, which requestAccessOnFile treated as allow-all; (2) ArcadeDBServer.createDatabase() omitted factory.setSecurity(...) so any database created via POST /api/v1/server {\"command\":\"create database X\"} had its entire record-level authorization system silently disabled. In combination, record-level and database-level authorization could be bypassed by any authenticated principal. This vulnerability is fixed in 26.4.2.","status":"published","published":"2026-05-12T19:53:39.307Z","modified":"2026-10-28T11:10:52.101239145Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:45:04.820169Z"},{"id":"GHSA-fxc7-fm93-6q77","title":"ArcadeDB vulnerable to cross-database authorization bypass and unsecured newly-created databases","description":"### Impact\nAuthenticated users and API tokens scoped to a specific database could read, write, and mutate schema on any other database on the same server. Two distinct defects contributed: (1) ServerSecurityUser.getDatabaseUser() returned a DB user with an uninitialized fileAccessMap, which requestAccessOnFile treated as allow-all; (2) ArcadeDBServer.createDatabase() omitted factory.setSecurity(...) so any database created via POST /api/v1/server {\"command\":\"create database X\"} had its entire record-level authorization system silently disabled. In combination, record-level and database-level authorization could be bypassed by any authenticated principal.\n\n### Patches\nUpgrade to version 26.4.2\n\n### Resources\n\nhttps://github.com/ArcadeData/arcadedb/commit/04110c06315da55604ac107f71fe7182f3a3deb8","status":"published","published":"2026-05-05T22:22:22Z","modified":"2026-08-03T20:45:22.162757757Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:46:47.119724Z"}]}}