HIGH

CVE-2026-16870

Multiple Security Vulnerabilities in Snowflake libsnowflakeclient

CVSS v3

8.8

HIGH

EPSS Score

1.3 %

exploit probability, as of 2026-09-30

CISA KEV

known exploited

Exploitation

—

SSVC status

Description

Multiple security vulnerabilities in Snowflake libsnowflakeclient versions prior to 2.9.2 could allow remote code execution and credential exfiltration. A stack-based buffer overflow in the file download path could allow remote code execution on a victim host. An attacker could exploit this by uploading a file with a crafted encryption metadata field to a shared internal stage that a victim process later downloads, and impact would be limited to deployments where principals with different privil

Technical details

Published: 2026-07-24
Last Modified: 2026-07-24

Frequently asked questions

What is CVE-2026-16870?

Is CVE-2026-16870 actively exploited?

Active exploitation of CVE-2026-16870 has not been confirmed. Its EPSS score was 1.3% on 2026-09-30, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-16870?

CVE-2026-16870 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2026-16870 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

Check an IP Search CVEs SIEM & TIP integrations

No credit card required · 500 free checks/month · Free API key

Other 2026 vulnerabilities worth triaging

Ranked by exploit probability (EPSS).

Back to CVE Database