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High

Polymorphic deserialization of malicious object in jackson-databind

  • Disclosed: 15.05.2020
  • Updated: 11.10.2026 11:22

A flaw was discovered in jackson-databind in versions before 2.9.10, 2.8.11.5, and 2.6.7.3, where it would permit polymorphic deserialization of a malicious object using commons-configuration 1 and 2 JNDI classes. An attacker could use this flaw to execute arbitrary code.

Affected software

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PlatformPackageVulnerable versionsFixed in
Java / Kotlin (Maven) com.fasterxml.jackson.core:jackson-databind < 2.6.7.3, >= 2.7.0, < 2.8.11.5, >= 2.9.0, < 2.9.10 2.6.7.3, 2.8.11.5, 2.9.10

References

CVSS score 7.5/10
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE)
CWE-200, CWE-502
Platform
Java / Kotlin (Maven)
Package
com.fasterxml.jackson.core:jackson-databind
Disclosed
15.05.2020
Updated
11.10.2026 11:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-cf6r-3wgc-h863 - CC BY 4.0

Vulnerability history: com.fasterxml.jackson.core:jackson-databind

All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (86) in the archive
Total entries
86
First → latest
10.2018 09.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 24
  • High 48
  • Medium 14

Disclosures per year

Severity:
  1. Polymorphic deserialization of malicious object in jackson-databind this entry
    High · 7.5 CVE-2019-14892 < 2.6.7.3, >= 2.7.0, < 2.8.11.5, >= 2.9.0, < 2.9.10 2.6.7.3, 2.8.11.5, 2.9.10
  2. jackson-databind quadratic forward-reference completion
    High · 7.5 CVE-2026-91777 >= 2.19.0, < 2.21.7, >= 2.5.0, < 2.18.11, >= 2.22.0, < 2.22.3 2.21.7, 2.18.11, 2.22.3
  3. jackson-databind retains every unknown raw type ID
    High · 7.5 CVE-2026-91776 >= 2.0.0, < 2.18.11, >= 2.19.0, < 2.21.7, >= 2.22.0, < 2.22.3 2.18.11, 2.21.7, 2.22.3
  4. jackson-databind: Duration XMLGregorianCalendar Unbounded Number Parse DoS
    High · 7.5 CVE-2026-68497 >= 2.14.0, < 2.18.10, >= 2.19.0, < 2.21.6, >= 2.22.0, < 2.22.2 2.18.10, 2.21.6, 2.22.2
  5. jackson-databind has an array subtype allowlist bypass in BasicPolymorphicTypeValidator (allowIfSubTypeIsArray)
    High · 8.1 CVE-2026-54513 >= 2.10.0, < 2.18.8, >= 2.19.0, < 2.21.4, >= 3.0.0, < 3.1.4 2.18.8, 2.21.4, 3.1.4
  6. jackson-databind has a PolymorphicTypeValidator bypass via generic type parameters that allows arbitrary class instantiation
    High · 8.1 CVE-2026-54512 >= 2.10.0, < 2.18.8, >= 3.0.0, < 3.1.4, >= 2.19.0, < 2.21.4 2.18.8, 3.1.4, 2.21.4
  7. jackson-databind possible Denial of Service if using JDK serialization to serialize JsonNode
    High · 7.5 CVE-2021-46877 >= 2.10.0, < 2.12.6, >= 2.13.0, < 2.13.1 2.12.6, 2.13.1
  8. Uncontrolled Resource Consumption in Jackson-databind
    High · 7.5 CVE-2022-42003 >= 2.4.0-rc1, < 2.12.7.1, >= 2.13.0, < 2.13.4.2 2.12.7.1, 2.13.4.2
  9. Uncontrolled Resource Consumption in FasterXML jackson-databind
    High · 7.5 CVE-2022-42004 >= 2.4.0-rc1, < 2.12.7.1, >= 2.13.0, < 2.13.4 2.12.7.1, 2.13.4
  10. jackson-databind vulnerable to unsafe deserialization
    High · 8.1 CVE-2020-10650 < 2.9.10.4 2.9.10.4
  11. Deeply nested json in jackson-databind
    High · 7.5 CVE-2020-36518 >= 2.13.0, < 2.13.2.1, < 2.12.6.1 2.13.2.1, 2.12.6.1
  12. Unsafe Deserialization in jackson-databind
    High · 8.1 CVE-2020-36189 >= 2.7.0, < 2.9.10.8, < 2.6.7.5 2.9.10.8, 2.6.7.5
  13. Unsafe Deserialization in jackson-databind
    High · 8.1 CVE-2020-36187 >= 2.0.0, < 2.9.10.8 2.9.10.8
  14. Unsafe Deserialization in jackson-databind
    High · 8.1 CVE-2020-36188 >= 2.7.0, < 2.9.10.8, >= 2.0.0, < 2.6.7.5 2.9.10.8, 2.6.7.5
  15. Unsafe Deserialization in jackson-databind
    High · 8.1 CVE-2020-36183 >= 2.7.00, < 2.9.10.8, >= 2.0.0, < 2.6.7.5 2.9.10.8, 2.6.7.5
  16. Unsafe Deserialization in jackson-databind
    High · 8.1 CVE-2020-36184 >= 2.0.0, < 2.9.10.8 2.9.10.8
  17. Unsafe Deserialization in jackson-databind
    High · 8.1 CVE-2020-36180 >= 2.7.0, < 2.9.10.8, >= 2.0.0, < 2.6.7.5 2.9.10.8, 2.6.7.5
  18. Unsafe Deserialization in jackson-databind
    High · 8.1 CVE-2020-36181 >= 2.7.0, < 2.9.10.8, >= 2.0.0, < 2.6.7.5 2.9.10.8, 2.6.7.5
  19. Unsafe Deserialization in jackson-databind
    High · 8.1 CVE-2020-36185 >= 2.0.0, < 2.9.10.8 2.9.10.8
  20. Unsafe Deserialization in jackson-databind
    High · 8.1 CVE-2020-36179 >= 2.7.0, < 2.9.10.8, >= 2.0.0, < 2.6.7.5 2.9.10.8, 2.6.7.5
  21. Unsafe Deserialization in jackson-databind
    High · 8.1 CVE-2020-36182 >= 2.7.0, < 2.9.10.8, >= 2.0.0, < 2.6.7.5 2.9.10.8, 2.6.7.5
Show more (20) Showing 21 of 72

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