CVE-2026-86471

CriticalCVSS 9.3/10Last modified Oct 21, 2026

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.

Metrics

CVSS 4.0 9.3/10CVSS: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/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:N/AU:Y/R:U/V:C/RE:M/U:Red

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 20, 2026
Last modified
Oct 21, 2026
NVD status
Deferred

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CVE-2026-86471: Critical severity, CVSS 9.3 | Vulnix