{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"python-msgpack","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":[],"id":"tcs_01M5NQBD7SCSM4ZSPTHD4MRG06","modified_at":"2026-10-24T09:47:28.441035073Z","published_at":"2026-10-22T19:17:37.733Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-114613","https://security-tracker.debian.org/tracker/CVE-2026-114613"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-114613#Debian:13/python-msgpack","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-114613"}],"summary":"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 wit"}