An issue was discovered in Couchbase Server before 7.2.5 and 7.6.0 before 7.6.1. It does not ensure that credentials are negotiated with the Key-Value (KV) service using SCRAM-SHA when remote link encryption is configured for Half-Secure.

In Couchbase Server 5 through 7 before 7.1.4, the nsstats endpoint is accessible without authentication.

Couchbase Server before 7.2.4 has a private key leak in goxdcr.log.

An issue was discovered in Couchbase Server 7.2.0. There is a private key leak in debug.log while adding a pre-7.0 node to a 7.2 cluster.

Couchbase Server 7.1.4 before 7.1.5 and 7.2.0 before 7.2.1 allows Directory Traversal.

In Couchbase Server 7.1.x before 7.1.1, an encrypted Private Key passphrase may be leaked in the logs.

An issue was discovered in Couchbase Server 7.x before 7.0.4. Field names are not redacted in logged validation messages for Analytics Service. An Unauthorized Actor may be able to obtain Sensitive Information.

An algorithm-downgrade issue was discovered in Couchbase Server before 7.0.4. Analytics Remote Links may temporarily downgrade to non-TLS connection to determine the TLS port number, using SCRAM-SHA instead.

An issue was discovered in Couchbase Server before 7.0.4. The Backup Service log leaks unredacted usernames and document ids.

An issue was discovered in Couchbase Server before 7.0.4. In couchbase-cli, server-eshell leaks the Cluster Manager cookie.

An issue was discovered in Couchbase Server before 7.0.4. Operations may succeed on a collection using stale RBAC permission.

An issue was discovered in Couchbase Server before 6.6.5 and 7.x before 7.0.4. Previous mitigations for CVE-2018-15728 were found to be insufficient when it was discovered that diagnostic endpoints could still be accessed from the network.

An issue was discovered in Couchbase Server before 7.0.4. XDCR lacks role checking when changing internal settings.

An issue was discovered in Couchbase Server before 7.0.4. Random HTTP requests lead to leaked metrics.

An issue was discovered in Couchbase Server before 7.0.4. Sample bucket loading may leak internal user passwords during a failure.

An issue was discovered in Couchbase Server before 7.0.4. The Index Service does not enforce authentication for TCP/TLS servers.

An issue was discovered in Couchbase Server before 7.0.4. A private key is leaked to the log files with certain crashes.

Couchbase Server 6.6.x through 7.x before 7.0.4 exposes Sensitive Information to an Unauthorized Actor.

Couchbase Server 5.x through 7.x before 7.0.4 exposes Sensitive Information to an Unauthorized Actor.

Couchbase Server before 6.6.3 and 7.x before 7.0.2 stores Sensitive Information in Cleartext. The issue occurs when the cluster manager forwards a HTTP request from the pluggable UI (query workbench etc) to the specific service. In the backtrace, the Basic Auth Header included in the HTTP request, has the "@" user credentials of the node processing the UI request.