CVE WATCH / VULNERABILITY DETAIL
CVE-2026-114613
HIGHCVSS 7.5NVD feed
Published 22 October 2026 · tracked since 23 October 2026
Description
MessagePack is the serializer implementation for Python msgpack.org. Prior to 1.2.3, the msgpack-python C extension (msgpack._cmsgpack) leaks a decoded map value when deserialization rejects a key with strict_map_key=True (the default). Repeated malformed inputs can cause unbounded process memory gr
References
- NVD — National Vulnerability Database
- CVE.org record (MITRE)
- CISA Known Exploited Vulnerabilities catalog
Latest tracked vulnerabilities
- CVE-2026-115356 MEDIUM 5.4
- CVE-2026-114654 MEDIUM 6.5
- CVE-2026-114644 MEDIUM 5.9
- CVE-2026-114645 MEDIUM 5.2
- CVE-2026-114612 CRITICAL 9.9
- CVE-2022-51026 CRITICAL 9.8
- CVE-2026-77156 MEDIUM 6.4
- CVE-2026-114609 MEDIUM 5.8
- CVE-2026-114610 MEDIUM 6.5
- CVE-2026-114611 CRITICAL 9.1