Remote Code Execution Vulnerability in Apache CouchDB by Apache Software Foundation
CVE-2026-86471

9.3CRITICAL

Key Information:

Vendor

Apache
Status
Apache Couchdb
Vendor
CVE Published:
20 October 2026

What is CVE-2026-86471?

A vulnerability in Apache CouchDB versions 3.5.2 and earlier allows an administrator to execute arbitrary shell commands due to an unvalidated runtime configuration value. This presents significant security risks, enabling potential attackers to gain unauthorized control over the system. It is crucial for users of affected versions to upgrade to 3.5.3 or newer to mitigate this risk.

Affected Version(s)

Apache CouchDB 0 < 3.5.3

References

https://lists.apache.org/thread.html/pj83174r8f8f64odf47f...
release-notes
https://lists.apache.org/thread/c8p73gswgogtnzvk7hpw8jb8d...
vendor-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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