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.
Published: 2026-10-20
Score: 9.3 Critical
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 20 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-78
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 20 Oct 2026 15:45:00 +0000

Type Values Removed Values Added
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.
Title Apache CouchDB: Admin credentials leading to code execution as operating system user
References
Metrics cvssV4_0

{'score': 9.3, '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'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-10-20T16:54:56.792Z

Reserved: 2026-09-07T14:53:35.843Z

Link: CVE-2026-86471

cve-icon Vulnrichment

Updated: 2026-10-20T16:54:50.534Z

cve-icon NVD

Status : Received

Published: 2026-10-20T16:17:15.217

Modified: 2026-10-20T17:17:42.713

Link: CVE-2026-86471

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses