CVE-2026-75850
Medium · 4.2CVSS
4.2
EPSS
0.2%
Published
Aug 18, 2026
CISA due date
—
The record
ArcadeDB before 26.8.1 fails to bind the authenticated principal (setCurrentUser) on its batch and time-series HTTP handlers. Because no principal is bound on the worker thread, the engine's fine-grained per-type ACL layer (LocalBucket.checkPermissionsOnFile) does not execute for these handlers. In deployments that use per-type or per-group ACLs, a user with database access but only limited per-type permissions can read from and write to types they are not authorized to access by submitting requests to the batch/time-series endpoints. Deployments that rely solely on database-level access control are not affected.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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