Read the docs
TI-2026-78669 Aliases CVE-2026-114056

Authorization bypass in ArcadeDB lets read-only users alter edge types

Priority MEDIUM 57CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

ArcadeDB from 26.8.1 before 26.10.1 contains an authorization bypass (CWE-862) that lets read-only users change the lightweight and unique schema flags of edge types without the UPDATE_SCHEMA permission. An attacker with read-only access can send a bare ALTER TYPE command over the HTTP, gRPC, or Bolt command API to persistently change edge storage declarations. The CVSS 4.0 vector requires low privileges and no user interaction, and the impact is limited to integrity.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

ArcadeDB from 26.8.1 before 26.10.1 contains an authorization bypass vulnerability that allows read-only users to modify edge type lightweight and unique schema flags without UPDATE_SCHEMA permission. Attackers can send a bare ALTER TYPE edgeType WITH lightweight = true command over the HTTP, gRPC, or Bolt command API to persistently alter edge storage declarations.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00299 22nd percentileScored 2026-11-07
Fix Fixed arcadedb (ArcadeData): 26.10.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ArcadeDataarcadedb26.8.1 to before 26.10.126.10.1Patch availableCNA
  • arcadedb VendorArcadeData Affected 26.8.1 to before 26.10.1 Fixed in 26.10.1 Patch available CNA

Remediation

Upgrade ArcadeDB to version 26.10.1, which fixes the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA arcadedb (ArcadeData) Fixed in 26.10.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    ArcadeData arcadedb 26.10.1

    4 records Highest priority Priority HIGH 1 HIGH, 3 MEDIUM

    Other records, highest priority first

    • TI-2026-78672 Missing authorization in ArcadeDB Gremlin Groovy engine allows code executionPriority HIGH 69
    • TI-2026-78671 Missing authorization in ArcadeDB Bolt protocol exposes other databases' schemasPriority MEDIUM 57
    • TI-2026-78670 ArcadeDB Bolt SHOW DATABASES Information DisclosurePriority MEDIUM 57
    Show all 4 records →

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-114056
  2. 2026-10-28 CISA SSVC decision points changed
  3. 2026-10-28 Priority changed: LOW → MEDIUM

References

Advisory 1

  • TI-2026-53098 ArcadeDB Redis Wire-Protocol Plugin Missing Authentication CVSS 4.0CRITICAL 9.3
  • TI-2026-53086 ArcadeDB before 26.8.1 Arbitrary File Read via Unescaped Regex CVSS 4.0HIGH 8.7
  • TI-2026-53095 ArcadeDB before 26.8.1 Authentication Bypass via Async Command CVSS 4.0CRITICAL 9.4
  • TI-2026-53089 ArcadeDB before 26.8.1 Privilege Escalation via gRPC Transaction CVSS 4.0CRITICAL 9.4
  • TI-2026-53097 ArcadeDB Gremlin Wire Protocol Authorization Bypass Cross-Database CVSS 4.0HIGH 8.7
  • TI-2026-63057 ArcadeDB before 26.9.1 TimeSeries ACL Bypass via Type Permission CVSS 4.0HIGH 8.6
See all 41 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences