CVE-2026-86471 PUBLISHED

Apache CouchDB: Admin credentials leading to code execution as operating system user

Assigner: apache
Reserved: 07.09.2026 Published: 20.10.2026 Updated: 20.10.2026

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.

Metrics

CVSS 4.0

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/S:N/AU:Y/R:U/V:C/RE:M/U:Red
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	Low	Availability	Low
Privileges Required	High
User Interaction	None

CVSS 4.0

Product Status

Vendor	Apache Software Foundation
Product	Apache CouchDB
Versions	Default: unaffected affected from 0 to 3.5.3 (excl.)

CVE-2026-86471 PUBLISHED

Apache CouchDB: Admin credentials leading to code execution as operating system user

Metrics

Product Status

References