SEPTEMBER 9, 2026
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Case File

CVE-2026-15925

CRITICAL · CVSS 9.2 EPSS 0.18% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-16 · Last synced 2026-08-15

CyberRota Analysis

AI-Generated

The Snowflake Connector for Python versions prior to 4.7.1 and 3.18.1 is vulnerable due to improper TLS hostname verification, allowing an attacker with network access to bypass certificate validation on HTTPS connections. This could lead to credential exposure, data interception, and unauthorized SQL execution within the victim's session, depending on the privileges of the affected Snowflake role. Organizations using these versions should prioritize upgrading to the fixed versions to mitigate potential risks from on-path attacks.

Public Exploit Signal

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

Detected Signals
exploit

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

CVE
CVE-2026-15925
Severity
CRITICAL
CVSS
9.2
EPSS
0.18%

Original NVD Description

Improper TLS hostname verification in Snowflake Connector for Python versions prior to 4.7.1 and 3.18.1 may have allowed a network-positioned attacker to bypass certificate hostname validation on HTTPS connections made by the connector. An attacker with on-path network access could exploit this by intercepting or redirecting network traffic and presenting a certificate signed by any trusted CA for any domain, causing the connector to accept connections without validating that the certificate matched the requested hostname. Successful exploitation requires an on-path traffic interception capability (e.g. ARP/DNS poisoning, rogue access point, BGP hijacking, or malicious proxy/exit node). This vulnerability may have exposed credentials, query data, and staged file contents to interception and tampering, and may have enabled the attacker to issue arbitrary SQL within the context of the victim's connector session. Impact is limited by the privileges of the affected Snowflake role. The fix is available in Snowflake Connector for Python versions 4.7.1 and 3.18.1. Users must manually upgrade.