HIGH

CVE-2026-16870

Multiple Security Vulnerabilities in Snowflake libsnowflakeclient

CVSS v3

8.8

HIGH

EPSS Score

0.4%

exploit probability

CISA KEV

No

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

CVSS v3 Vector
3.1
Published
7/24/2026
Last Modified
7/24/2026

Frequently asked questions

What is CVE-2026-16870?

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

Is CVE-2026-16870 actively exploited?

Active exploitation of CVE-2026-16870 has not been confirmed. The EPSS score is 0.4%, indicating 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), with vector string 3.1.

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.