CVE-2026-90799: Apache CouchDB: Atom-table exhaustion in _changes sequences and _search bookmarks with specially crafted sequence values

Published Oct 20, 2026
·
Updated

Unsafe binary deserialisation in chttpd in Apache CouchDB 3.5.2 and below on all platforms allows an authenticated user to cause a denial of service via memory exhaustion.

Users are recommended to upgrade to version 3.5.3, which fixes this issue.

Affected Software

1 affected component
Apache CouchDB<=3.5.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Apache CouchDB to a version that resolves this vulnerability.

    Fixed in 3.5.3

Event History

Oct 20, 2026
CVE Published
via MITRE·03:40 PM
Data Sourced
via MITRE·03:40 PM
Description
Data Sourced
via NVD·04:17 PM
DescriptionSeverityWeakness

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