SEPTEMBER 17, 2026
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Case File

CVE-2026-85525

HIGH · CVSS 7.4 EPSS 0.10% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-04 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

Improper validation of OCSP responses in the Snowflake drivers for Python, Go, JDBC, and Node.js allows a revoked TLS certificate to be incorrectly accepted as valid, enabling a man-in-the-middle attacker to intercept and manipulate data during a TLS session. This vulnerability poses a significant risk to any organization using these drivers, particularly those handling sensitive data, as it could lead to unauthorized access and data breaches. Users should prioritize upgrading to the patched versions to mitigate this risk.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit
GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-85525
Severity
HIGH
CVSS
7.4
EPSS
0.10%

Original NVD Description

Improper OCSP response validation in the Snowflake Python, Go, JDBC, and Node.js drivers allowed a revoked TLS certificate to be accepted as valid, because OCSP responses were not reliably bound to the certificate being validated and definitive verification failures were treated as transient. A man-in-the-middle attacker holding a revoked certificate and its private key for a Snowflake or stage hostname could cause the driver to establish a TLS session to the attacker-controlled endpoint anyway, allowing the attacker to read and modify data transmitted within that connection. Successful exploitation requires that on-path position and the corresponding private key, and impact is limited to data carried within the intercepted connection. The fix is available in Snowflake Connector for Python v4.7.3, Snowflake Go Driver v2.2.0, Snowflake JDBC Driver v4.3.4 (including the snowflake-jdbc-fips and snowflake-jdbc-thin), and Snowflake Node.js Driver v3.3.0. Users must manually upgrade.