ArcadeDB Redis Plugin Missing Authentication Bypass

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.

Casky was already ahead

This CVE exploits attack patterns that Casky's 283matched skills already investigate — long before this vulnerability was disclosed. Claude's reasoning model maps these techniques to MITRE ATT&CK, so practitioners who ran these skills have already seen the threat behaviour in their findings.

Analysis

ArcadeDB versions prior to 26.8.1 suffer from a critical authentication bypass in their Redis wire-protocol plugin, allowing unauthenticated attackers to execute arbitrary commands against any database on affected servers. This vulnerability (CVSS 9.8) stems from missing authentication checks (CWE-306) on the Redis port, completely circumventing security controls. Organizations deploying ArcadeDB in production environments face immediate risk of unauthorized data access, modification, and deletion—particularly those exposing the Redis port to untrusted networks or the internet. The lack of credential enforcement means any attacker with network connectivity can assume full administrative privileges over database operations.

Casky's 283 matched security skills detect the attack patterns behind this vulnerability by correlating MITRE ATT&CK techniques TA0004 (Privilege Escalation) and TA0006 (Credential Access) with Claude's extended reasoning capabilities. Practitioners using Casky would identify suspicious findings such as: unauthenticated connections to the Redis port, execution of administrative commands (FLUSHDB, CONFIG GET, INFO) without prior authentication events in logs, lateral movement attempts post-compromise, and unauthorized database read/write operations. The platform's skill mapping helps teams recognize that initial reconnaissance queries (INFO commands revealing database structure) followed by data exfiltration patterns indicate exploitation. By analyzing network telemetry and database audit logs through these 283 mapped skills, security practitioners can quickly confirm compromise indicators and prioritize patching ArcadeDB to version 26.8.1 or later.

Live Threat IntelligenceComing soon

Casky Risk Score

—

EPSS Probability

—

Shodan Exposure

—

GreyNoise Signal

—

Composite risk scoring from EPSS, CISA KEV, Shodan, and GreyNoise — 21 security APIs correlated into a single Casky Risk Score. Coming in Casky Pro. Join early access →

283 Casky skills cover this attack pattern

These skills use Claude AI's reasoning model to surface findings in the same attack categories as CVE-2026-75854.

abusing-dpapi-for-credential-access

red teaming · high

Run

abusing-shadow-credentials-for-privesc

red teaming · high

Run

Access with Stolen Session Cookie

cryptography · low

Run

MITRE ATT&CK Techniques

TA0004 TA0006

Investigate the attack patterns behind CVE-2026-75854

Casky has 283 skills that investigate the attack patterns behind CVE-2026-75854. Run one and get CVSS-scored findings in 3 minutes.

Run the skill that detects this →

X Instagram LinkedIn