CVE-2019-14439

HIGH

FasterXML jackson-databind <2.9.9.2 - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 3 public exploits for CVE-2019-14439. PoCs published by jas502n, dawetmaster, andikahilmy.

AI-analyzed exploit summary The repository contains only a minimal README with a CVE title and no functional exploit code or technical details. It lacks any meaningful content to demonstrate or analyze the vulnerability.

Description

A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.x before 2.9.9.2. This occurs when Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint and the service has the logback jar in the classpath.

Exploits (3)

nomisec STUB 5 stars
by jas502n · poc
https://github.com/jas502n/CVE-2019-14439

The repository contains only a minimal README with a CVE title and no functional exploit code or technical details. It lacks any meaningful content to demonstrate or analyze the vulnerability.

Classification
Stub 90%
Attack Type
Deserialization
Complexity
Theoretical
Reliability
Theoretical
Target: Jackson-databind (version not specified)
No auth needed
devstral-2 · analyzed Feb 18, 2026 Full analysis →
nomisec WORKING POC
by dawetmaster · poc
https://github.com/dawetmaster/CVE-2019-14439-jackson-databind-vulnerable

This repository contains a vulnerable version of Jackson Databind (2.9.0) that is susceptible to CVE-2019-14439, a deserialization vulnerability. The included source code and build configuration allow for testing and exploitation of the flaw.

Classification
Working Poc 95%
Attack Type
Deserialization
Complexity
Moderate
Reliability
Reliable
Target: Jackson Databind 2.9.0
No auth needed
Prerequisites: Java environment · vulnerable Jackson Databind version
devstral-2 · analyzed Mar 14, 2026 Full analysis →
nomisec WORKING POC
by andikahilmy · poc
https://github.com/andikahilmy/CVE-2019-14439-jackson-databind-vulnerable

This repository contains a vulnerable version of Jackson Databind (2.9.0) that demonstrates CVE-2019-14439, a deserialization vulnerability allowing arbitrary code execution. The included source code and build configuration enable testing of the exploit in a controlled environment.

Classification
Working Poc 90%
Attack Type
Deserialization
Complexity
Moderate
Reliability
Reliable
Target: Jackson Databind 2.9.0
No auth needed
Prerequisites: Java environment · Jackson Databind 2.9.0 dependency
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (29)

Core 29
Core References
Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/08/msg00011.html
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2019/dsa-4542
Mailing List, Third Party Advisory mailing-list x_refsource_bugtraq
https://seclists.org/bugtraq/2019/Oct/6
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3200
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpuapr2020.html
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujul2020.html
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujan2020.html
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20190814-0001/
Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/FasterXML/jackson-databind/issues/2389

Scores

CVSS v3 7.5
EPSS 0.1014
EPSS Percentile 93.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-502
Status published
Products (41)
apache/drill 1.16.0
com.fasterxml.jackson.core/jackson-databind 2.9.0 - 2.9.9.2Maven
debian/debian_linux 8.0
debian/debian_linux 9.0
debian/debian_linux 10.0
fasterxml/jackson-databind 2.0.0 - 2.6.7.3
fedoraproject/fedora 29
fedoraproject/fedora 30
oracle/banking_platform 2.4.0
oracle/banking_platform 2.4.1
... and 31 more
Published Jul 30, 2019
Tracked Since Feb 18, 2026