jackson-databind has a PolymorphicTypeValidator bypass via generic type parameters that allows arbitrary class instan...
High-risk advisory
CVE-2026-54512
Summary
jackson-databind has a PolymorphicTypeValidator bypass via generic type parameters that allows arbitrary class instantiation
Why it matters
GitHub has published a reviewed security advisory for com.fasterxml.jackson.core:jackson-databind. Prioritize it with other application dependency updates.
Operator check
Check whether com.fasterxml.jackson.core:jackson-databind is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.