SEPTEMBER 17, 2026
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Case File

CVE-2026-86600

HIGH · CVSS 8.2 EPSS 0.31% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-08 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

Snowflake drivers are vulnerable due to improper verification of the configured host during WORKLOAD_IDENTITY authentication, allowing attackers to manipulate connection settings and obtain a cloud workload-identity token. This token can then be replayed to Snowflake, potentially compromising accounts with registered workload identities, or be redirected to unauthorized Azure resources if the attacker controls the host. Organizations using Snowflake drivers, particularly those implementing WORKLOAD_IDENTITY authentication, should prioritize upgrading to the patched versions to mitigate this high-severity risk.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

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CVE
CVE-2026-86600
Severity
HIGH
CVSS
8.2
EPSS
0.31%

Original NVD Description

In affected Snowflake drivers, WORKLOAD_IDENTITY authentication requests a cloud workload-identity token and attaches it to the login request without verifying that the configured host is a Snowflake endpoint. An attacker who can modify the connection configuration can cause the driver to mint a fresh attestation and send it to a host they control. The captured token can be replayed to Snowflake for its remaining lifetime in accounts where that workload identity is already registered. On Azure, the token audience is also taken from connection configuration. Combined with an attacker-controlled host, the driver can request a Managed Identity access token scoped to a non-Snowflake Azure resource and deliver it to the attacker. That path is the only case in which impact extends beyond Snowflake; it is bounded by the token lifetime and the managed identity’s permissions. Successful exploitation requires WORKLOAD_IDENTITY authentication on a workload that already has an ambient cloud identity. Patched driver versions restrict this authenticator to recognized Snowflake hosts. Users must manually upgrade.