CVE-2026-54076Network attack vectorHinoki check available

Unauthorized schema mutation via unchecked public mutators

Published Sep 15, 2026 · Updated Sep 15, 2026

Incorrect authorization in ArcadeDB before 26.6.1 allows remote authenticated users to mutate database schemas through HTTP commands. Public mutators in LocalDocumentType and LocalProperty omit the UPDATE_SCHEMA permission check before renaming types, changing inheritance, dropping properties, or altering constraints. Database access, including a read-only API token, is sufficient; the operations do not directly alter record values but can corrupt their meaning and violate the schema-permission boundary.

CVSS severity8.1
High
EPSS probability0.41%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Incorrect authorization in ArcadeDB before 26.6.1 allows remote authenticated users to mutate database schemas through HTTP commands. Public mutators in LocalDocumentType and LocalProperty omit the UPDATE_SCHEMA permission check before renaming types, changing inheritance, dropping properties, or altering constraints. Database access, including a read-only API token, is sufficient; the operations do not directly alter record values but can corrupt their meaning and violate the schema-permission boundary.

The record

CVE
CVE-2026-54076
Published
Sep 15, 2026
Updated
Sep 15, 2026
Vendor
Arcade Data
Product
ArcadeDB
Classifications
CWE-862, CWE-863, T1565.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 15, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 15, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 26.6.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Arcade Data · ArcadeDBversion=< 26.6.1
Arcade Data · ArcadeDB Engineversion=< 26.6.1

Published CVSS scores

8.1GitHubCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
CWE-863Incorrect Authorization
T1565.001Stored Data Manipulation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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