The Couchbase .NET SDK (client library) before 3.7.1 does not properly enable hostname…
Priority LOW 22CWE-297Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0023 13th percentileScored 2026-11-07
Fix Fixed CouchbaseNetClient (NuGet): 3.7.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | CouchbaseNetClient (NuGet) | before 3.7.1 | 3.7.1 | Patch available | GHSA-px2c-r924-mwcc |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- CouchbaseNetClient (NuGet) Vendor— Affected before 3.7.1 Fixed in 3.7.1 Patch available GHSA-px2c-r924-mwcc
Remediation
- Fix · GHSA-px2c-r924-mwcc CouchbaseNetClient (NuGet) Fixed in 3.7.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-49015
- 2026-10-03 Alias added: GHSA-px2c-r924-mwcc
- 2026-10-20 Fix available: NuGet/[email protected] · GHSA-px2c-r924-mwcc
References
Sources
- CVE-2025-49015 · CVE Program
- CVE-2025-49015 · NVD
- FIRST EPSS
- GHSA-px2c-r924-mwcc · GitHub Advisory Database · CC BY 4.0
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