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VulnerabilityPublished

CVE-2026-54076: ArcadeData arcadedb · Missing Authorization

Affects ArcadeData arcadedbSource CVE Database V5

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Mentioned vulnerabilities

Not known to be exploited · CVSS 8.1 High : upgrade to 26.6.1 soon.

Data as of 30 Oct 2026, 20:25 UTC

CVSS 3.1 base score
8.1High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 43% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 26.6.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 15 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade arcadedb and arcadedb-engine and arcadedata/arcadedb to 26.6.1.

Affected software

ProductAffectedFixed in
ArcadeDataarcadedbAffected
  • <26.6.1
Fixed in
  • 26.6.1
com.arcadedbarcadedb-engineAffected
  • <26.6.1
Fixed in
  • 26.6.1
GitHubarcadedata/arcadedbpkg:github/arcadedata/arcadedbOther threatsAffected
  • <26.6.1
Fixed in
  • 26.6.1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade to ArcadeDB version 26.6.1 or later, where this missing authorization issue has been fixed. No other mitigations are indicated by the vendor advisory.

Description

ArcadeDB is a Multi-Model DBMS. Prior to 26.6.1, the fix for CVE-2026-44221 added an UPDATE_SCHEMA authorization check only to LocalDocumentType.createProperty, while the remaining public schema mutators in engine/src/main/java/com/arcadedb/schema/LocalDocumentType.java and engine/src/main/java/com/arcadedb/schema/LocalProperty.java remained unchecked. An authenticated identity, including a read-only API token without UPDATE_SCHEMA permission, can use DROP PROPERTY, ALTER TYPE, or ALTER PROPERTY through the database command/query HTTP endpoints to rename types, change inheritance, alter aliases or buckets, drop properties, and change property constraints. The issue does not directly disclose or write record data, but unauthorized schema mutation can corrupt the meaning of stored records and breach the documented permission model. This issue is fixed in version 26.6.1.

References

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