CVE-2026-85528 json
Snowflake JDBC Driver auto-configuration account validation permits credential redirection
published 2026-09-04 2 mo ago modified 2026-09-10 59 d ago also EUVD-2026-70974
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 21%
- public exploits
- 0
- none known
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 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.
Patch / fix
- Snowflake Snowflake JDBC Driver 4.3.4
- Snowflake Snowflake JDBC Driver (FIPS) 4.3.4
- Snowflake Snowflake JDBC Driver (Thin) 4.3.4
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Snowflake Snowflake JDBC Driver
- Snowflake Snowflake JDBC Driver (FIPS)
- Snowflake Snowflake JDBC Driver (Thin)
Classification
References
Sources
- CVE List CVE-2026-85528
- NVD CVE-2026-85528
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