CVE-2021-27925: Couchbase Server

Medium severity, CVSS 4.4. EPSS: 0.5% chance of exploitation in the next 30 days.

An issue was discovered in Couchbase Server 6.5.x and 6.6.x through 6.6.1. When using the View Engine and Auditing is enabled, a crash condition can (depending on a race condition) cause an internal user with administrator privileges, @ns_server, to have its credentials leaked in cleartext in the ns_server.info.log file.

Affected products

• Couchbase Couchbase Server: from 6.5.0, before 6.6.2 (fixed in 6.6.2)

Published 2021-05-19. Last modified 2026-06-17.