MEDIUM 6.9 NVD
CVE-2026-90472
msgpack-java through 0.9.12 contains a stack overflow vulnerability in MessageUnpacker.unpackValue() that recursively deserializes arrays and maps without nesti
msgpack-java through 0.9.12 contains a stack overflow vulnerability in MessageUnpacker.unpackValue() that recursively deserializes arrays and maps without nesting depth limits. Attackers can craft payloads with deeply nested arrays to exhaust the deserializing thread's stack and trigger StackOverflowError, causing per-request deserialization failures.
References
- https://github.com/msgpack/msgpack-java
- https://github.com/msgpack/msgpack-java/blob/v0.9.12/msgpack-core/src/main/java/org/msgpac
- https://github.com/msgpack/msgpack-java/issues/1015
- https://www.vulncheck.com/advisories/msgpack-java-through-0.9.12-stack-overflow-via-nested
This medium severity vulnerability with a CVSS score of 6.9 was published on 2026-09-12 via NVD.
vulnfeed aggregates 12843 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.