CVE-2025-24794: The Snowflake Connector for Python uses insecure deserialization of the OCSP response cache

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-01-29 · updated 2026-06-17
Weakness: CWE-502

Description

The Snowflake Connector for Python provides an interface for developing Python applications that can connect to Snowflake and perform all standard operations. Snowflake discovered and remediated a vulnerability in the Snowflake Connector for Python. The OCSP response cache uses pickle as the serialization format, potentially leading to local privilege escalation. This vulnerability affects versions 2.7.12 through 3.13.0. Snowflake fixed the issue in version 3.13.1.

Affected products

snowflakedb snowflake-connector-python: from 2.7.12 before 3.13.1 — fixed in 3.13.1

How to fix

Upgrade to a fixed version: snowflakedb snowflake-connector-python 3.13.1. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2025-24794 or the next vulnerability affects your stack