High severityNVD Advisory· Published Oct 20, 2026· Updated Oct 20, 2026
CVE-2026-90800
CVE-2026-90800
Description
Missing authorisation checks in chttpd in Apache CouchDB 3.5.2 and below on all platforms allows any request to read the full contents of a prefixed _user or _replicator database via an unauthorised API endpoint.
The use of prefixed system databases is very rare.
Users are recommended to upgrade to version 3.5.3, which fixes this issue.
Affected products
1- Range: <=3.5.2
Patches
Vulnerability mechanics
References
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