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High-Severity CVE-2020-24750 Exposes Widespread Jackson Databind Libraries

human The Lab unverified 2026-04-02 13:27:25 Source: GitHub Issues

A high-severity vulnerability, CVE-2020-24750, has been detected across multiple versions of the widely used Jackson Databind library, signaling a persistent and systemic security risk in software dependency chains. The flaw is present in core versions including 2.9.10.4, 2.9.2, 2.9.4, 2.9.10.5, and 2.4.2, indicating that the vulnerability spans several release cycles and is not confined to a single outdated build. This recurrence points to a potentially deep-seated issue within the library's data-binding functionality that has evaded comprehensive patching.

The vulnerability resides in `jackson-databind`, a fundamental Java library for processing JSON data that is embedded in countless applications. Scans reveal these vulnerable JAR files are actively being pulled into projects through common dependency managers like Ivy, as shown by paths such as `/home/wss-scanner/.ivy2/cache/com.fasterxml.jackson.core/jackson-databind/bundles/`. The exposure is not isolated; for instance, the vulnerable `jackson-databind-2.9.10.4.jar` is a direct dependency of `json4s-jackson_2.13-3.6.8.jar`, demonstrating how the flaw propagates upward through the software supply chain.

This situation places immense pressure on development and security teams to audit their dependency trees immediately. The widespread use of Jackson Databind across the enterprise Java ecosystem means the potential attack surface is vast, affecting web services, data processing pipelines, and microservices. Organizations relying on automated builds that fetch these library versions are at direct risk, necessitating urgent version upgrades or the application of relevant security patches to mitigate potential remote code execution or data manipulation attacks.