{"action":"Upgrade jackson-databind to 2.18.11-1 or later.","affected":[{"fixed":"2.18.11-1","introduced":"0"}],"component":"jackson-databind","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.18.11-1"],"id":"tcs_01M5NWMN0D6X9MCCX1Q8G0FTCF","modified_at":"2026-10-20T04:00:07.466530990Z","published_at":"2026-09-23T03:17:04.620Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-91776","https://security-tracker.debian.org/tracker/CVE-2026-91776"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-91776#Debian:14/jackson-databind","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-91776"}],"summary":"TypeDeserializerBase._findDeserializer() in FasterXML jackson-databind caches the resolved deserializer under the raw, attacker-supplied type ID. When name-based polymorphism is configured with a fall"}