Snowflake Snowflake PHP PDO Driver

• CVE-2026-121925 Medium 6.6 Buffer overflow in SAML authentication post-back URL handling in libsnowflakeclient and Snowflake PHP PDO Driver 0.6%
• CVE-2026-114456 Medium 6.5 Missing origin validation for the externalbrowser authenticator callback in multiple Snowflake client drivers 0.2%
• CVE-2026-86600 High 8.2 Workload identity attestation generated before login host validation in Snowflake drivers 0.5%
• CVE-2026-86597 Medium 6.5 Sensitive information written to logs by Snowflake drivers <0.1%
• CVE-2026-16870 High 8.8 Multiple Security Vulnerabilities in Snowflake libsnowflakeclient 1.3%