CVE-2026-89418
UNKNOWN
NVD
CVSS Score
0
Severity
UNKNOWN
Published
Sep 17, 2026
Vendor
unknown
Description
google-protobuf contains an unbounded recursion when parsing unknown protobuf group fields. An attacker can send a small crafted payload of deeply nested START_GROUP wire bytes to any Node.js service that calls the generated deserializeBinary() API, causing a RangeError: Maximum call stack size exceeded and crashing the process. No authentication or prior knowledge of the schema is required.