Disclosure summary
CVE-2026-5223 is a medium-severity CWE-61 vulnerability in Cargo. Malicious registry crates can overwrite dependency source. Cantina reproduced the behavior, verified its security impact, and coordinated disclosure with the affected maintainer.
Verification standard
Cantina publishes a disclosure only after reproducing the behavior, validating its security impact, and coordinating remediation with the affected project.