Patch Forecast
Amber warning
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CVE-2026-86471

An unvalidated runtime configuration value in Apache CouchDB 3.5.2 and below on all platforms…

Risk score
66/100
CVSS
9.3 v4.0
Exploit chance (30 days)
0.6%
Published
20 Oct 2026

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What to know

What it is
Apache CouchDB 3.5.2 and below has an unvalidated runtime configuration value, allowing a CouchDB server admin to run arbitrary shell commands as the CouchDB operating system user. An attacker could exploit this to gain elevated privileges.
Affected
{'products': ['Apache CouchDB'], 'packages': [], 'versions': ['3.5.2 and below']}
Fix
Upgrade to version 3.5.3
Exploitation
No known exploitation

Why it is Amber

  • CVSS 9.3 critical

References

Original 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.

Last activity 20 Oct 2026. Patch Forecast updates every hour.