medium4.9
CVE-2025-49015
Couchbase .NET SDK (client library) does not properly enable hostname verification for TLS certificates
Impact
The Couchbase .NET SDK (client library) before 3.7.1 does not properly enable hostname verification for TLS certificates. In fact, the SDK was also using IP addresses instead of hostnames due to a configuration option that was incorrectly enabled by default.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| nuget | CouchbaseNetClient | < 3.7.1 | 3.7.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Couchbase | .Net Sdk | through 3.7.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://docs.couchbase.com/server/current/release-notes/relnotes.html
- https://forums.couchbase.com/tags/security
- https://www.couchbase.com/alerts/
- https://github.com/advisories/GHSA-px2c-r924-mwcc
- https://nvd.nist.gov/vuln/detail/CVE-2025-49015
- https://www.couchbase.com/alerts
- https://github.com/couchbase/couchbase-net-client/commit/04d1679b2178f922036be6e595b3d91f972c5ba3