Apache CouchDB <3.5.3 Vulnerability: Runtime Config Allows OS Shell Exec
CVE-2026-86471 Published on October 20, 2026
Apache CouchDB: Admin credentials leading to code execution as operating system user
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.
Vulnerability Analysis
CVE-2026-86471 can be exploited with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is a Shell injection Vulnerability?
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
CVE-2026-86471 has been classified to as a Shell injection vulnerability or weakness.
Products Associated with CVE-2026-86471
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Affected Versions
Apache Software Foundation Apache CouchDB:- Before 3.5.3 is affected.