OCTOBER 8, 2026
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Case File

CVE-2026-97395

HIGH · CVSS 8.1 EPSS 0.28%

Source: NVD + CISA KEV + EPSS · Published 2026-09-29 · Last synced 2026-10-08

CyberRota Analysis

AI-Generated

Apache Polaris versions prior to 1.8.0 are vulnerable, allowing authenticated users with permission to modify Iceberg table properties to set arbitrary FileIO client settings, including storage endpoints. This misconfiguration can lead to unauthorized redirection of server-side storage traffic, potentially exposing sensitive authentication materials to malicious endpoints. Organizations using Polaris should prioritize this vulnerability, especially if they allow untrusted table writers to configure storage settings.

CVE
CVE-2026-97395
Severity
HIGH
CVSS
8.1
EPSS
0.28%
Apache

Original NVD Description

Apache Polaris allows an authenticated principal with permission to create or update Iceberg table properties to set FileIO client settings such as s3.endpoint in table metadata. In versions < 1.8.0, when Polaris performs server-side Iceberg operations, including commits and purges, it may use those settings to construct its (server-side) FileIO client. If the catalog storage configuration does not override the endpoint, Polaris can send storage requests to a host chosen by the table writer, using credentials scoped to the operation. This can redirect server-side storage traffic and expose request authentication material to the chosen endpoint. Deployments are affected when table writers are not trusted to configure server-side storage endpoints.