EUVD Vulnerability Catalog

EUVD-2026-105155

Severity: CRITICAL Base Score: 9.3 CVSS Version: 4.0

Vulnerability Description

An unvalidated runtime configuration value in Apache CouchDB 3.5.2 and below on all platforms allows a CouchDB server admin to run arbitrary shell commands as the CouchDB operating system user. Users are recommended to upgrade to version 3.5.3, which fixes this issue.

CVSS Vector Analysis

Below is the complete, human-readable breakdown of the CVSS metric string: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:A/S:N/AU:Y/R:U/V:C/RE:M/U:Red

▪ Attack Vector (AV): Network

▪ Attack Complexity (AC): Low

▪ Attack Requirements (AT): None

▪ Privileges Required (PR): High

▪ User Interaction (UI): None

▪ Vulnerability Confidentiality Impact (VC): High

▪ Vulnerability Integrity Impact (VI): High

▪ Vulnerability Availability Impact (VA): Low

▪ Subsequent Confidentiality Impact (SC): High

▪ Subsequent Integrity Impact (SI): High

▪ Subsequent Availability Impact (SA): Low

▪ E: Adjacent

▪ Scope (S): None

▪ AU: Y

▪ R: Unchanged

▪ V: Changed

▪ RE: M

▪ U: Red

Affected Vendors & Systems

Vendor Apache Software Foundation

References & Advisory Links

Metadata Profile

Database Authority

European Union Agency for Cybersecurity (ENISA) EUVD

Assigner

apache

EPSS Probability

Known Aliases

GHSA-885r-pfpm-ch95 CVE-2026-86471

Published On

2026-10-20

Last Updated

2026-10-21