Deserialization in Fasterxml Jackson-databind
CVE-2026-54512
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, jackson-databind's PolymorphicTypeValidator (PTV) is the primary safety mechan…
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
- Fasterxml Jackson-databind — versions >= 2.10.0, < 2.18.8, >= 2.19.0, < 2.21.4, >= 3.0.0, < 3.1.4
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2026-54512?
- CVE-2026-54512 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-2026-54512?
- High severity. CVSS v3 base score is 8.1 out of 10.