CVE-2026-85525

Summary

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 the patched versions listed above. Users must manually upgrade.

Affected Software

VendorProductVersion RangeStatus
SnowflakeSnowflake Connector for Python0 < 4.7.3affected
SnowflakeSnowflake Go Driver0 < 2.2.0affected
SnowflakeSnowflake JDBC Driver0 < 4.3.4affected
SnowflakeSnowflake Node.js Driver0 < 3.3.0affected

Weaknesses

  • CWE-295: Improper Certificate Validation
  • CWE-347: Improper Verification of Cryptographic Signature

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References