CVE-2026-75854: ArcadeDB Redis Wire-Protocol Plugin Missing Authentication

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-18 · updated 2026-10-22
Weakness: CWE-306

Description

ArcadeDB versions before 26.8.1 contain a missing authentication vulnerability in the Redis wire-protocol plugin that allows unauthenticated attackers to read, write, and delete data. Attackers can connect to the Redis port and execute arbitrary commands against any database on the server without providing credentials, bypassing all security gates.

Affected products

ArcadeData arcadedb: before 26.8.1 — fixed in 26.8.1

How to fix

Upgrade to a fixed version: ArcadeData arcadedb 26.8.1. Check the vendor advisory for mitigations.

References

https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-m46c-jh3x-xwrp
https://www.vulncheck.com/advisories/arcadedb-redis-wire-protocol-plugin-missing-authentication
https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-m46c-jh3x-xwrp

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