Arbitrary Code Injection Affecting org.apache.avro:avro-compiler package, versions [,1.11.5)[1.12.0,1.12.1)
Threat Intelligence
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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- published15 Feb 2026
- disclosed13 Feb 2026
- creditBrant Eckert
Introduced: 13 Feb 2026
CVE-2025-33042 (opens in a new tab)How to fix?
Upgrade org.apache.avro:avro-compiler to version 1.11.5, 1.12.1 or higher.
Overview
Affected versions of this package are vulnerable to Arbitrary Code Injection in the SpecificCompiler class, when handling untrusted Avro schemas. An attacker can execute code by supplying a malicious schema with commands injected in doc comment values, which can be executed during compilation.