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CVE-2026-97395— Apache Polaris: Allows authorized table writers to redirect server-side Iceberg FileIO requests to attacker-controlled endpoints using operation-scoped storage credentials

Quick assessment

Affected
Apache Software Foundation Apache Polaris
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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, includ

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I. Basic Information for CVE-2026-97395

Vulnerability Information
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Vulnerability Title
Apache Polaris: Allows authorized table writers to redirect server-side Iceberg FileIO requests to attacker-controlled endpoints using operation-scoped storage credentials
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Polaris 0 ~ 1.8.0 -

II. Public POCs for CVE-2026-97395

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III. Intelligence Information for CVE-2026-97395

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Other References for CVE-2026-97395 (1)

Same Patch Batch · Apache Software Foundation · 2026-09-29 · 19 CVEs total

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CVE-2026-66083 Apache DolphinScheduler: Unauthorized Disclosure of Data Source Information via /datasourc
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CVE-2026-71899 Apache DolphinScheduler: Missing Authorization in query-dynamic-sub-workflows API Leads to
CVE-2026-71898 Apache DolphinScheduler: Improper Authorization Allows Project Read-Only Users to Execute

IV. Related Vulnerabilities

Same product: Apache Polaris
Same vendor: Apache Software Foundation

V. Comments for CVE-2026-97395

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