Expression Language Injection Affecting org.apache.polaris:polaris-core package, versions [,1.4.1)
Threat Intelligence
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The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published6 May 2026
- disclosed4 May 2026
- creditUnknown
Introduced: 4 May 2026
CVE-2026-42811 (opens in a new tab)How to fix?
Upgrade org.apache.polaris:polaris-core to version 1.4.1 or higher.
Overview
org.apache.polaris:polaris-core is an a catalog for data lakes. It provides new levels of choice, flexibility and control over data, with full enterprise security and Apache Iceberg interoperability across a multitude of engines and infrastructure
Affected versions of this package are vulnerable to Expression Language Injection via unescaped content in the construction of Credential Access Boundary (CAB) CEL conditions. An attacker can gain unauthorized access to files and objects across the entire configured Google Cloud Storage bucket by supplying a crafted namespace or table identifier containing special characters that break out of the intended path restriction.