CVE-2026-86321: Java-JSON-Tools Jackson-Coreutils

Medium severity, CVSS 5.3. EPSS: 0.7% chance of exploitation in the next 30 days.

A vulnerability was found in java-json-tools jackson-coreutils 2.0. Affected by this issue is the function JsonLoader.fromURL of the file src/main/java/com/github/fge/jackson/JsonLoader.java of the component URL Validation. The manipulation results in server-side request forgery. It is possible to launch the attack remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected products

Published 2026-09-07. Last modified 2026-09-08.