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CVE-2026-93595

ArcadeDB before 26.9.1 ACL Bypass via query_database Tool

Published: Sep 18, 2026Updated: Sep 18, 2026 Sources: CVE List NVDCWE-862
6.5MEDIUM
NVD MITRE
EPSS Score
0.3%
Top 78.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

Description

ArcadeDB before 26.9.1 contains an access control bypass vulnerability in the query_database tool exposed through the AI chat endpoints. The tool executes queries without binding the authenticated principal to DatabaseContext, causing per-type and per-bucket ACL checks to silently no-op and allowing authenticated users to read data they are explicitly denied at the per-type level. Attackers can prompt the AI assistant to execute queries against restricted types or buckets to retrieve sensitive data that would be rejected through normal query endpoints.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-862

Affected Products

ArcadeData
aka arcadedb
arcadedbOn-prem
Databases / nosql

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
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References

https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-chrr-vr3p-crcc
github.com
https://www.vulncheck.com/advisories/arcadedb-before-26.9.1-acl-bypass-via-query-database-tool
vulncheck.com

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