{"id":"CVE-2026-85528","title":"Improper input validation of the auto-configuration account identifier in Snowflake JDBC Driver versions 4.2.0 through 4.3.3 allowed a credential-bearing login request to be redirected to an attacker-selected HTTPS endpoint","summary":"Improper input validation of the auto-configuration account identifier in Snowflake JDBC Driver versions 4.2.0 through 4.3.3 allowed a credential-bearing login request to be redirected to an attacker-selected HTTPS endpoint. An attacker …","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-20","CWE-918"],"vendor":"Snowflake","product":"net.snowflake:snowflake-jdbc","affected":["net.snowflake:snowflake-jdbc >= 4.2.0 < 4.3.4","net.snowflake:snowflake-jdbc-fips >= 4.2.0 < 4.3.4","net.snowflake:snowflake-jdbc-thin >= 4.2.0 < 4.3.4"],"published":"2026-09-04","updated":"2026-09-10","sourceUpdated":"2026-09-10T16:17:58.980","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-85528","references":[{"url":"https://docs.snowflake.com/en/release-notes/clients-drivers/jdbc-2026#version-434-sep-03-2026","label":"412d305a-227d-44f9-a262-a31ba44f2aea"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-04T19:38:16.604972Z"},"epss":0.00182,"epssPercentile":0.07998,"ingestedAt":"2026-09-08T20:10:03.163Z","slug":"CVE-2026-85528","body":"## Overview\n\nImproper input validation of the auto-configuration account identifier in Snowflake JDBC Driver versions 4.2.0 through 4.3.3 allowed a credential-bearing login request to be redirected to an attacker-selected HTTPS endpoint. An attacker able to control the account value could cause the driver to transmit a reusable login credential to a host of their choosing and replay it to obtain the privileges granted to that credential. Successful exploitation requires an application using jdbc:snowflake:auto with a connections.toml section that omits an explicit host and a lower-trust principal able to set the account value; ordinary JDBC URLs are unaffected. The fix is available in Snowflake JDBC Driver version 4.3.4, including the snowflake-jdbc-fips and snowflake-jdbc-thin. Users must manually upgrade.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}