CVE-2026-55772: CedarJava has type confusion vulnerability

June 19, 2026

CedarJava is an open source Java implementation of the Cedar policy language, used for fine-grained authorization decisions. Under certain circumstances, improper input handling could allow type confusion across the Java-Rust FFI boundary.

References

github.com/advisories/GHSA-93g4-m6xv-cmvr
github.com/cedar-policy/cedar-java/security/advisories/GHSA-93g4-m6xv-cmvr
nvd.nist.gov/vuln/detail/CVE-2026-55772

Code Behaviors & Features

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