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CVE-2026-93593

8.1 · HIGH

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 rec…

Published Sep 18, 2026CWE-863EPSS 0.36%

Overview

CVE-2026-93593 is a high-severity vulnerability. It was published on September 18, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/ArcadeData/arcadedb/security/advisories/GHSA-wjhv-79gv-2pqgRefwww.vulncheck.com/advisories/arcadedb-before-26.9.1-timeseries-acl-bypass-via-type-permissionGitHubgithub.com/ArcadeData/arcadedb/security/advisories/GHSA-wjhv-79gv-2pqg

How CyberStrike helps

Frequently asked questions

What is CVE-2026-93593?

CVE-2026-93593 is a high-severity vulnerability. It was published on September 18, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-93593?

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-93593?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-93593?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-93593 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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