cvedb.io
CVE-2026-55772
HIGH · CVSS 8.8
EPSS exploitation probability: 0%
Published 2026-07-13T19:17:15.183 · Last modified 2026-07-13T19:49:37.150

Summary

CedarJava is an open source Java implementation of the Cedar policy language, used for fine-grained authorization decisions. In versions prior to 2.3.6, 3.4.1 and 4.9.0, under certain circumstances, improper input handling could allow Record-to-Entity type confusion across the Java-Rust FFI boundary. CedarJava sends authorization requests to the Rust cedar-policy evaluator as JSON. The JSON protocol reserves magic single-key object shapes (__entity and __extn) for entity references and extension values. When serializing a CedarMap, there is no validation preventing these reserved keys from being used. If an integrating service builds a CedarMap from caller-supplied key/value data (such as request headers, user-defined metadata, or resource tags), an actor who controls those keys could caus

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.