Snowflake Connector for C/C++ inserts client-side encryption key in DEBUG logs
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-532.
Summary
libsnowflakeclient is the Snowflake Connector for C/C++. Versions starting from 0.5.0 to before 2.2.0, are vulnerable to local logging of sensitive information. When the logging level was set to DEBUG, the Connector would log locally the client-side encryption master key of the target stage during the execution of GET/PUT commands. This key by itself does not grant access to any sensitive data without additional access authorizations, and is not logged server-side by Snowflake. This issue has been patched in version 2.2.0.
Why it matters now
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
Remediation
- Fix · CNA libsnowflakeclient (snowflakedb) Fixed in 2.2.0
Timeline
- 2026-10-02 Threatist record created from CVE-2025-46329
References
More Snowflake Connector For C/c++ vulnerabilities
- TI-2025-29071 Snowflake Connector for C/C++ retries malformed requests CVSS 3.1LOW 3.3
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences