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CVE-2026-93593— ArcadeDB before 26.9.1 TimeSeries ACL Bypass via Type Permission

Quick assessment

Affected
ArcadeData arcadedb
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 in

CVSS 8.1 · High
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I. Basic Information for CVE-2026-93593

Vulnerability Information
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Vulnerability Title
ArcadeDB before 26.9.1 TimeSeries ACL Bypass via Type Permission
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ArcadeData arcadedb 0 ~ 26.9.1 -

II. Public POCs for CVE-2026-93593

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III. Intelligence Information for CVE-2026-93593

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Other References for CVE-2026-93593 (2)

Same Patch Batch · ArcadeData · 2026-09-18 · 6 CVEs total

CVE-2026-93594 8.1 HIGH ArcadeDB before 26.9.1 ACL Bypass via Index and TimeSeries
CVE-2026-93597 7.7 HIGH ArcadeDB before 26.9.1 SSRF via IPv6 transition addresses
CVE-2026-93598 7.1 HIGH ArcadeDB before 26.9.1 Classpath Credential Disclosure via ResourceBundle
CVE-2026-93595 6.5 MEDIUM ArcadeDB before 26.9.1 ACL Bypass via query_database Tool
CVE-2026-93596 4.3 MEDIUM ArcadeDB before 26.9.1 Authorization Bypass via Batch Edge Connect

IV. Related Vulnerabilities

Same product: arcadedb
Same vendor: ArcadeData
Same weakness: CWE-863

V. Comments for CVE-2026-93593

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