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Vulnerability record · CVE-2026-75852 · published 18 August 2026

CVE-2026-75852: Missing authentication for critical function vulnerability

ArcadeDB versions before 26.8.1 fail to enforce SASL authentication on data commands in the MongoDB wire-protocol plugin. Unauthenticated attackers can issue insert, find, update, delete, and create commands against any database by connecting to port 27017 without credentials.

9.3 CVSS 4.0 Critical EPSS 0.66% · top 50.3% CWE-306 · Missing authentication for critical function Deferred
9.3CVSS 4.0 base score
0.66%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
31 Aug 2026Last modified by NVD

Description

ArcadeDB versions before 26.8.1 fail to enforce SASL authentication on data commands in the MongoDB wire-protocol plugin. Unauthenticated attackers can issue insert, find, update, delete, and create commands against any database by connecting to port 27017 without credentials.

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:

References

LinkTags
https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-fq9c-x968-g278
https://www.vulncheck.com/advisories/arcadedb-mongodb-wire-protocol-authentication-bypass-cross-database

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Source: NIST National Vulnerability Database (record CVE-2026-75852), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.