{"id":"CVE-2026-114056","summary":"ArcadeDB from 26.8.1 before 26.10.1 Authorization Bypass via ALTER TYPE WITH","details":"ArcadeDB from 26.8.1 before 26.10.1 contains an authorization bypass vulnerability that allows read-only users to modify edge type lightweight and unique schema flags without UPDATE_SCHEMA permission. Attackers can send a bare ALTER TYPE edgeType WITH lightweight = true command over the HTTP, gRPC, or Bolt command API to persistently alter edge storage declarations.","aliases":["GHSA-9c7g-grf7-j2r5"],"modified":"2026-10-21T10:46:28.473355282Z","published":"2026-10-21T00:36:31.923Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/114xxx/CVE-2026-114056.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-862"]},"references":[{"type":"ADVISORY","url":"https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-9c7g-grf7-j2r5"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/114xxx/CVE-2026-114056.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114056"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/arcadedb-from-26.8.1-before-26.10.1-authorization-bypass-via-alter-type-with"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/arcadedata/arcadedb","events":[{"introduced":"87bdc67f1f0331fa2d07e932a550064c118eae70"},{"fixed":"f8cd5c03647cbb1a716275620fd8b3728d9a6c6c"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"26.8.1"},{"fixed":"26.10.1"}],"source":"AFFECTED_FIELD","strategy":"StandardRange"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-114056.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"}]}