CVE-2026-54048: Apache Impala: Avro Schema URL Server-Side Request Forgery

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-09 · updated 2026-09-10
Weakness: CWE-918

Description

Specifying tblproperties('avro.schema.url'=' http://...' ) or with a 'file:///' URI on a table in Impala 2.0.0 to 4.5.1 on all platforms allows an attacker to trigger a GET request to internal endpoints they may not have access to but that Impala does and the response my be exposed via parsing error messages. Users are recommended to upgrade to version 4.5.2, which fixes this issue.

Affected products

Apache Software Foundation Apache Impala: from 2.7.0 before 4.5.2 — fixed in 4.5.2

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Impala 4.5.2. Check the vendor advisory for mitigations.

References

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