Improperly Controlled Modification of Dynamically-Determined Object Attributes Affecting com.fasterxml.jackson.core:jackson-databind package, versions [2.15.0,2.18.8)[2.19.0,2.21.4)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.25% (16th percentile)

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  • Snyk IDSNYK-JAVA-COMFASTERXMLJACKSONCORE-17972437
  • published14 Jul 2026
  • disclosed14 Jul 2026
  • creditomkhar

Introduced: 14 Jul 2026

NewCVE-2026-59888  (opens in a new tab)
CWE-915  (opens in a new tab)

How to fix?

Upgrade com.fasterxml.jackson.core:jackson-databind to version 2.18.8, 2.21.4 or higher.

Overview

com.fasterxml.jackson.core:jackson-databind is a library which contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor.

Affected versions of this package are vulnerable to Improperly Controlled Modification of Dynamically-Determined Object Attributes in the POJOPropertiesCollector._removeUnwantedIgnorals process. An attacker can access or modify properties that were intended to be ignored by supplying JSON input with keys matching the renamed property names, thereby bypassing intended access restrictions.

CVSS Base Scores

version 4.0
version 3.1