CVE-2026-86321CWE-918

java-json-tools jackson-coreutils URL Validation JsonLoader.java JsonLoader.fromURL server-side request forgery

Medium · published September 7, 2026

CVSS v3.1
5.3
EPSS
—
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
CVSS v4.0
6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
Not scored
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-09-07T15:00Z
Timeline
  • 07 SEP 15:00Z
    java-json-tools jackson-coreutils URL Validation JsonLoader.java JsonLoader.fromURL server-side request forgery
    cvelistv5