CVE-2026-110879

Public on 2026-10-22
Modified on 2026-10-22
Description
PolymorphicTypeValidator bypass via generic type arguments and array element types in jackson-databind allows arbitrary class instantiation (incomplete fix for CVE-2026-54512) [CVE-2026-110879]
Severity
Important severity
Important
See what this means
CVSS v3 Base Score
8.1
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2023 jackson-databind 2026-11-09 ALAS2023-2026-3387 Fixed
Amazon Linux 2027 Preview jackson-databind 2026-11-09 ALAS2027-2026-310 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H