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Vulnerabilities

Vulnerable Software

Vulnerability Details 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 array type based only on clazz.isArray(), without validating the array's component (element) type against the configured allowlist. A PTV built with allowIfSubTypeIsArray() plus an explicit concrete-type allowlist therefore still permits EvilType[] even though EvilType is not allowlisted. When Jackson deserializes the elements and no per-element type IDs are present, it instantiates the component type directly with no further PTV check, bypassing the allowlist. This vulnerability is fixed in 2.18.8, 2.21.4, and 3.1.4.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.006

EPSS Ranking 44.1%

CVSS Severity

CVSS v3 Score 8.1

References

Products affected by CVE-2026-54513

Fasterxml » Jackson-Databind » Version: 2.10.0

cpe:2.3:a:fasterxml:jackson-databind:2.10.0
Fasterxml » Jackson-Databind » Version: 2.10.1

cpe:2.3:a:fasterxml:jackson-databind:2.10.1
Fasterxml » Jackson-Databind » Version: 2.10.2

cpe:2.3:a:fasterxml:jackson-databind:2.10.2
Fasterxml » Jackson-Databind » Version: 2.10.3

cpe:2.3:a:fasterxml:jackson-databind:2.10.3
Fasterxml » Jackson-Databind » Version: 2.10.4

cpe:2.3:a:fasterxml:jackson-databind:2.10.4
Fasterxml » Jackson-Databind » Version: 2.10.5

cpe:2.3:a:fasterxml:jackson-databind:2.10.5
Fasterxml » Jackson-Databind » Version: 2.10.5.1

cpe:2.3:a:fasterxml:jackson-databind:2.10.5.1
Fasterxml » Jackson-Databind » Version: 2.11.0

cpe:2.3:a:fasterxml:jackson-databind:2.11.0
Fasterxml » Jackson-Databind » Version: 2.11.1

cpe:2.3:a:fasterxml:jackson-databind:2.11.1
Fasterxml » Jackson-Databind » Version: 2.11.2

cpe:2.3:a:fasterxml:jackson-databind:2.11.2
Fasterxml » Jackson-Databind » Version: 2.11.3

cpe:2.3:a:fasterxml:jackson-databind:2.11.3
Fasterxml » Jackson-Databind » Version: 2.11.4

cpe:2.3:a:fasterxml:jackson-databind:2.11.4
Fasterxml » Jackson-Databind » Version: 2.12.0

cpe:2.3:a:fasterxml:jackson-databind:2.12.0
Fasterxml » Jackson-Databind » Version: 2.12.1

cpe:2.3:a:fasterxml:jackson-databind:2.12.1
Fasterxml » Jackson-Databind » Version: 2.12.2

cpe:2.3:a:fasterxml:jackson-databind:2.12.2
Fasterxml » Jackson-Databind » Version: 2.12.3

cpe:2.3:a:fasterxml:jackson-databind:2.12.3
Fasterxml » Jackson-Databind » Version: 2.12.4

cpe:2.3:a:fasterxml:jackson-databind:2.12.4
Fasterxml » Jackson-Databind » Version: 2.12.5

cpe:2.3:a:fasterxml:jackson-databind:2.12.5
Fasterxml » Jackson-Databind » Version: 2.12.6

cpe:2.3:a:fasterxml:jackson-databind:2.12.6
Fasterxml » Jackson-Databind » Version: 2.12.6.1

cpe:2.3:a:fasterxml:jackson-databind:2.12.6.1
Fasterxml » Jackson-Databind » Version: 2.12.7

cpe:2.3:a:fasterxml:jackson-databind:2.12.7
Fasterxml » Jackson-Databind » Version: 2.12.7.1

cpe:2.3:a:fasterxml:jackson-databind:2.12.7.1
Fasterxml » Jackson-Databind » Version: 2.13.0

cpe:2.3:a:fasterxml:jackson-databind:2.13.0
Fasterxml » Jackson-Databind » Version: 2.13.1

cpe:2.3:a:fasterxml:jackson-databind:2.13.1
Fasterxml » Jackson-Databind » Version: 2.13.2

cpe:2.3:a:fasterxml:jackson-databind:2.13.2
Fasterxml » Jackson-Databind » Version: 2.13.2.1

cpe:2.3:a:fasterxml:jackson-databind:2.13.2.1
Fasterxml » Jackson-Databind » Version: 2.13.2.2

cpe:2.3:a:fasterxml:jackson-databind:2.13.2.2
Fasterxml » Jackson-Databind » Version: 2.13.3

cpe:2.3:a:fasterxml:jackson-databind:2.13.3
Fasterxml » Jackson-Databind » Version: 2.13.4

cpe:2.3:a:fasterxml:jackson-databind:2.13.4
Fasterxml » Jackson-Databind » Version: 2.13.4.1

cpe:2.3:a:fasterxml:jackson-databind:2.13.4.1
Fasterxml » Jackson-Databind » Version: 2.13.4.2

cpe:2.3:a:fasterxml:jackson-databind:2.13.4.2
Fasterxml » Jackson-Databind » Version: 2.13.5

cpe:2.3:a:fasterxml:jackson-databind:2.13.5
Fasterxml » Jackson-Databind » Version: 2.14.0

cpe:2.3:a:fasterxml:jackson-databind:2.14.0
Fasterxml » Jackson-Databind » Version: 2.14.1

cpe:2.3:a:fasterxml:jackson-databind:2.14.1
Fasterxml » Jackson-Databind » Version: 2.14.2

cpe:2.3:a:fasterxml:jackson-databind:2.14.2
Fasterxml » Jackson-Databind » Version: 2.14.3

cpe:2.3:a:fasterxml:jackson-databind:2.14.3
Fasterxml » Jackson-Databind » Version: 2.15.0

cpe:2.3:a:fasterxml:jackson-databind:2.15.0
Fasterxml » Jackson-Databind » Version: 2.15.1

cpe:2.3:a:fasterxml:jackson-databind:2.15.1
Fasterxml » Jackson-Databind » Version: 2.15.2

cpe:2.3:a:fasterxml:jackson-databind:2.15.2
Fasterxml » Jackson-Databind » Version: 2.15.3

cpe:2.3:a:fasterxml:jackson-databind:2.15.3
Fasterxml » Jackson-Databind » Version: 2.15.4

cpe:2.3:a:fasterxml:jackson-databind:2.15.4
Fasterxml » Jackson-Databind » Version: 2.16.0

cpe:2.3:a:fasterxml:jackson-databind:2.16.0
Fasterxml » Jackson-Databind » Version: 2.16.1

cpe:2.3:a:fasterxml:jackson-databind:2.16.1
Fasterxml » Jackson-Databind » Version: 2.16.2

cpe:2.3:a:fasterxml:jackson-databind:2.16.2
Fasterxml » Jackson-Databind » Version: 2.17.0

cpe:2.3:a:fasterxml:jackson-databind:2.17.0
Fasterxml » Jackson-Databind » Version: 2.17.1

cpe:2.3:a:fasterxml:jackson-databind:2.17.1
Fasterxml » Jackson-Databind » Version: 2.17.2

cpe:2.3:a:fasterxml:jackson-databind:2.17.2
Fasterxml » Jackson-Databind » Version: 2.17.3

cpe:2.3:a:fasterxml:jackson-databind:2.17.3
Fasterxml » Jackson-Databind » Version: 2.18.0

cpe:2.3:a:fasterxml:jackson-databind:2.18.0
Fasterxml » Jackson-Databind » Version: 2.18.1

cpe:2.3:a:fasterxml:jackson-databind:2.18.1
Fasterxml » Jackson-Databind » Version: 2.18.2

cpe:2.3:a:fasterxml:jackson-databind:2.18.2
Fasterxml » Jackson-Databind » Version: 2.18.3

cpe:2.3:a:fasterxml:jackson-databind:2.18.3
Fasterxml » Jackson-Databind » Version: 2.18.4

cpe:2.3:a:fasterxml:jackson-databind:2.18.4
Fasterxml » Jackson-Databind » Version: 2.18.5

cpe:2.3:a:fasterxml:jackson-databind:2.18.5
Fasterxml » Jackson-Databind » Version: 2.18.6

cpe:2.3:a:fasterxml:jackson-databind:2.18.6
Fasterxml » Jackson-Databind » Version: 2.18.7

cpe:2.3:a:fasterxml:jackson-databind:2.18.7
Fasterxml » Jackson-Databind » Version: 2.19.0

cpe:2.3:a:fasterxml:jackson-databind:2.19.0
Fasterxml » Jackson-Databind » Version: 2.19.1

cpe:2.3:a:fasterxml:jackson-databind:2.19.1
Fasterxml » Jackson-Databind » Version: 2.19.2

cpe:2.3:a:fasterxml:jackson-databind:2.19.2
Fasterxml » Jackson-Databind » Version: 2.19.3

cpe:2.3:a:fasterxml:jackson-databind:2.19.3
Fasterxml » Jackson-Databind » Version: 2.19.4

cpe:2.3:a:fasterxml:jackson-databind:2.19.4
Fasterxml » Jackson-Databind » Version: 2.20.0

cpe:2.3:a:fasterxml:jackson-databind:2.20.0
Fasterxml » Jackson-Databind » Version: 2.20.1

cpe:2.3:a:fasterxml:jackson-databind:2.20.1
Fasterxml » Jackson-Databind » Version: 2.20.2

cpe:2.3:a:fasterxml:jackson-databind:2.20.2
Fasterxml » Jackson-Databind » Version: 2.21.0

cpe:2.3:a:fasterxml:jackson-databind:2.21.0
Fasterxml » Jackson-Databind » Version: 2.21.1

cpe:2.3:a:fasterxml:jackson-databind:2.21.1
Fasterxml » Jackson-Databind » Version: 2.21.2

cpe:2.3:a:fasterxml:jackson-databind:2.21.2
Fasterxml » Jackson-Databind » Version: 2.21.3

cpe:2.3:a:fasterxml:jackson-databind:2.21.3
Fasterxml » Jackson-Databind » Version: 3.0.0

cpe:2.3:a:fasterxml:jackson-databind:3.0.0
Fasterxml » Jackson-Databind » Version: 3.0.1

cpe:2.3:a:fasterxml:jackson-databind:3.0.1
Fasterxml » Jackson-Databind » Version: 3.0.2

cpe:2.3:a:fasterxml:jackson-databind:3.0.2
Fasterxml » Jackson-Databind » Version: 3.0.3

cpe:2.3:a:fasterxml:jackson-databind:3.0.3
Fasterxml » Jackson-Databind » Version: 3.0.4

cpe:2.3:a:fasterxml:jackson-databind:3.0.4
Fasterxml » Jackson-Databind » Version: 3.1.0

cpe:2.3:a:fasterxml:jackson-databind:3.1.0
Fasterxml » Jackson-Databind » Version: 3.1.1

cpe:2.3:a:fasterxml:jackson-databind:3.1.1
Fasterxml » Jackson-Databind » Version: 3.1.2

cpe:2.3:a:fasterxml:jackson-databind:3.1.2
Fasterxml » Jackson-Databind » Version: 3.1.3

cpe:2.3:a:fasterxml:jackson-databind:3.1.3

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-54513

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