CVE-2026-86471: Command Injection

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.

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Weakness Type (CWE)

CWE-78 OS Command Injection

References

Other References

https://lists.apache.org/thread.html/pj83174r8f8f64odf47fwhozbfjtot0f https://lists.apache.org/thread/c8p73gswgogtnzvk7hpw8jb8d4mnosdp http://www.openwall.com/lists/oss-security/2026/10/20/11

Frequently Asked Questions

What is CVE-2026-86471? +

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.

How do I check if I'm vulnerable to CVE-2026-86471? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-86471