CVE-2026-86471 Apache CouchDB - Command Injection

Apache CouchDB <= 3.5.2 contains a command injection caused by unvalidated runtime configuration values, letting CouchDB server admins execute arbitrary shell commands as the OS user, exploit requires admin privileges.

CVSS base score 9.3 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:C/RE:M/U:Red
Published
20 October 2026
Updated
21 October 2026
Weakness
CWE-78

Vendor fix

Upgrade to version 3.5.3.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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