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ArcadeDB EUVDEUVD-2026-60615

| CVE-2026-75854 CRITICAL
Missing Authentication for Critical Function (CWE-306)
2026-08-18 VulnCheck GHSA-hfh9-c87v-cv29
9.3
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
9.3 CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
9.8 CRITICAL

Network-reachable, unauthenticated Redis plugin with no user interaction gives AV:N/AC:L/PR:N/UI:N; full read/write/delete over databases yields C:H/I:H/A:H, scope unchanged.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
Patch available
Aug 18, 2026 - 12:02 EUVD
Analysis Generated
Aug 18, 2026 - 11:59 vuln.today
CVE Published
Aug 18, 2026 - 11:19 cve.org
CRITICAL 9.3

DescriptionCVE.org

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.

AnalysisAI

Unauthenticated data access and manipulation in ArcadeDB before 26.8.1 arises because the Redis wire-protocol plugin exposes no authentication gate, letting anyone who can reach the Redis port read, write, and delete records across any database on the server. VulnCheck reported the flaw (CWE-306, Missing Authentication) with a CVSS 4.0 base score of 9.3, reflecting network-reachable, no-privilege exploitation with high confidentiality, integrity, and availability impact. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Reach exposed Redis port
Exploit
Connect with Redis client, no credentials
Execution
Issue RESP commands bypassing auth gates
Impact
Read, write, or delete database records

Vulnerability AssessmentAI

Exploitation The exploitable prerequisite is that ArcadeDB's Redis wire-protocol plugin is enabled and its port is reachable by the attacker; when it is, exploitation is remote and unauthenticated (PR:N) with no user interaction (UI:N) and low complexity, bypassing ArcadeDB's normal security gates. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The signals are internally consistent and point to genuine high priority where the plugin is exposed: the CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N with VC:H/VI:H/VA:H) describes trivial, network-reachable, unauthenticated full compromise of data, and the CWE-306 root cause means exploitation is a straightforward protocol connection rather than a complex memory-corruption chain. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker who can reach the ArcadeDB Redis port from the network connects with an ordinary Redis client and, without supplying any credentials, issues commands to enumerate, modify, or delete records in any database on the server. Given AV:N/AC:L/PR:N/UI:N, this requires only network reachability and no user interaction; no public exploit is identified at time of analysis, but the technique is trivial to reproduce with standard tooling.
Remediation Vendor-released patch: 26.8.1 - upgrade ArcadeDB to 26.8.1 or later, as documented in GHSA-m46c-jh3x-xwrp (https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-m46c-jh3x-xwrp). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: inventory all ArcadeDB instances and identify which expose the Redis wire-protocol plugin to untrusted networks; immediately disable the Redis plugin if not operationally required, or restrict access at the network firewall level to authorized IPs only. …

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EUVD-2026-60615 vulnerability details – vuln.today

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