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CVE-2026-93596— ArcadeDB before 26.9.1 Authorization Bypass via Batch Edge Connect

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 (com.arcadedb:arcadedb-engine <= 26.8.1) fails to bind the authenticated principal onto the DatabaseAsyncTransaction async worker threads used by the parallel edge-connect phase of POST /api/v1/batch/{database}. Because those workers hav

CVSS 4.3 · Medium
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I. Basic Information for CVE-2026-93596

Vulnerability Information
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Vulnerability Title
ArcadeDB before 26.9.1 Authorization Bypass via Batch Edge Connect
Source: CVE Program / CVE List V5
Vulnerability Description
ArcadeDB before 26.9.1 (com.arcadedb:arcadedb-engine <= 26.8.1) fails to bind the authenticated principal onto the DatabaseAsyncTransaction async worker threads used by the parallel edge-connect phase of POST /api/v1/batch/{database}. Because those workers have no current user, LocalDatabase.checkPermissionsOnFile returns early and allows the write, bypassing per-type CREATE_RECORD/UPDATE_RECORD ACL enforcement. In deployments that rely on per-type or per-group ACLs, an authenticated low-privilege user holding CREATE_RECORD on an edge type E but with CREATE_RECORD/UPDATE_RECORD revoked on a vertex type V can submit a graph edge-load batch request (with parallelFlush at its default value of true) and durably append edges to protected vertices of type V by writing records into V's <V>_out_edges/<V>_in_edges buckets, resulting in unauthorized modification of graph adjacency. Setting parallelFlush=false causes the request to be correctly rejected. This is an incomplete fix of GHSA-c23x-pqcj-7hfm, which bound the principal only on the HTTP handler thread.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
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-2026-93596

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III. Intelligence Information for CVE-2026-93596

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Other References for CVE-2026-93596 (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-2026-93593 8.1 HIGH ArcadeDB before 26.9.1 TimeSeries ACL Bypass via Type Permission
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

IV. Related Vulnerabilities

Same product: arcadedb
Same vendor: ArcadeData
Same weakness: CWE-862

V. Comments for CVE-2026-93596

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