Vulnerability in Fasterxml Jackson-databind

CVE-2026-54513

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.10.0 until 2.18.8, 2.21.4, and 3.1.4, BasicPolymorphicTypeValidator.Builder.allowIfSubTypeIsArray() allowlists any a…

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-54513?
CVE-2026-54513 is a high-severity vulnerability in Fasterxml Jackson-databind, classified under Incomplete List of Disallowed Inputs. CVSS score: 8.1/10. Published 2026-06-23.
How severe is CVE-2026-54513?
High severity. CVSS v3 base score is 8.1 out of 10.