CVE-2026-75854 ArcadeData CVE debrief

Who should care

Defenders and administrators responsible for ArcadeDB installations should assess exposure and verify authentication configuration for the Redis wire-protocol plugin. Immediate action is required to prevent potential data breaches.

Why it matters

CVE-2026-75854 is a critical vulnerability in ArcadeDB's Redis wire-protocol plugin that allows unauthenticated attackers to read, write, and delete data. Defenders and administrators must assess exposure and verify authentication configuration to prevent potential data breaches.

• Unauthenticated data access and manipulation
• Potential data breaches due to lack of authentication
• Bypassing of security gates due to authentication bypass
• Need for immediate verification of authentication configuration

Technical summary

The Redis wire-protocol plugin in ArcadeDB versions before 26.8.1 lacks authentication, allowing unauthenticated attackers to execute arbitrary commands against any database on the server. This vulnerability has a CVSS score of 9.3 and is considered critical. Defenders and administrators must assess exposure and verify authentication configuration to prevent potential data breaches. Immediate action is required to restrict access to the Redis port and ensure that authentication is properly configured to mitigate this critical vulnerability.

Defensive priority

Immediately assess exposure of ArcadeDB installations and verify if they are using the vulnerable Redis wire-protocol plugin. Restrict access to the Redis port and ensure that authentication is properly configured.

Recommended defensive actions

• Assess exposure of ArcadeDB installations
• Verify authentication configuration for the Redis wire-protocol plugin
• Restrict access to the Redis port
• Upgrade to ArcadeDB version 26.8.1 or later
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Evidence notes

The CVE record and NVD entry provide details about the vulnerability. However, the exact scope of affected versions and potential impact on specific deployments require further verification from official sources.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.