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Critical · 9.3 CVE-2026-86471 EUVD-2026-105155GHSA-885r-pfpm-ch95

Apache CouchDB: Admin credentials leading to code execution as operating system user

Published Oct 20, 2026 · Updated Oct 21, 2026 · Assigned by apache

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.

Affected products

VendorProductAffectedFixed
Apache Software Foundation Apache CouchDB < 3.5.3 3.5.3

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS couchdb No fix yet —

References