MEDIUM 5.3 NVD
CVE-2026-107298
msgpack5 is a msgpack v5 implementation for node.js and the browser. Prior to 6.1.0, the array and map decoding paths have no nesting-depth limit, allowing an a
msgpack5 is a msgpack v5 implementation for node.js and the browser. Prior to 6.1.0, the array and map decoding paths have no nesting-depth limit, allowing an attacker who can provide MessagePack input to submit deeply nested containers that exhaust the JavaScript call stack and interrupt a process, worker, or request handler. This issue is fixed in version 6.1.0.
References
- https://github.com/mcollina/msgpack5/commit/1e2b5874e555dd7c99417f64788a03b0590bb102
- https://github.com/mcollina/msgpack5/releases/tag/v6.1.0
- https://github.com/mcollina/msgpack5/security/advisories/GHSA-24ch-f2g6-9hhh
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-10-08 via NVD.
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