{"id":"CVE-2026-93593","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-93593","summary":"ArcadeDB before 26.9.1 fails to enforce security-group types ACL entries for TimeSeries types because the ACL resolver builds permissions from bucket IDs, but TimeSeries types do not…","details":"ArcadeDB before 26.9.1 fails to enforce security-group types ACL entries for TimeSeries types because the ACL resolver builds permissions from bucket IDs, but TimeSeries types do not own normal record buckets. An authenticated low-privilege user can read or insert TimeSeries samples despite explicit deny rules by exploiting the missing type-name-based access check that causes permission lookups to fail open.","published":"2026-09-18T14:19:10.413","modified":"2026-09-18T14:19:10.540","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-wjhv-79gv-2pqg"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/arcadedb-before-26.9.1-timeseries-acl-bypass-via-type-permission"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-18T14:19:10.540"}}