{"id":"CVE-2026-114056","title":"ArcadeDB from 26.8.1 before 26.10.1 Authorization Bypass via ALTER TYPE WITH","summary":"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…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","cvssSource":"cna","cwe":["CWE-862"],"vendor":"ArcadeData","product":"arcadedb","affected":["arcadedb >= 26.8.1 < 26.10.1"],"published":"2026-10-21","updated":"2026-10-21","sourceUpdated":"2026-10-21T00:36:31.923Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-114056","references":[{"url":"https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-9c7g-grf7-j2r5","label":"GitHub Security Advisory (GHSA-9c7g-grf7-j2r5)"},{"url":"https://www.vulncheck.com/advisories/arcadedb-from-26.8.1-before-26.10.1-authorization-bypass-via-alter-type-with","label":"VulnCheck Advisory: ArcadeDB from 26.8.1 before 26.10.1 Authorization Bypass via ALTER TYPE WITH"}],"tags":["cve.org"],"ingestedAt":"2026-10-21T01:37:08.041Z","slug":"CVE-2026-114056","body":"## Overview\n\nArcadeDB 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.\n\n## Affected\n\n- `arcadedb >= 26.8.1 < 26.10.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}