CVE-2026-86321

MEDIUM 5.3

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

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-918
Vendor	java-json-tools
Product	jackson-coreutils
Published	Sep 7, 2026
Last Updated	Sep 8, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

java-json-tools / jackson-coreutils

2.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/399511 vuldb.com: https://vuldb.com/vuln/399511/cti vuldb.com: https://vuldb.com/cve/CVE-2026-86321 vuldb.com: https://vuldb.com/submit/908323 github.com: https://github.com/java-json-tools/jackson-coreutils/issues/64 github.com: https://github.com/java-json-tools/jackson-coreutils/

Credits

🔍 York Shen - Yong Shen - PayPal Cyber Security Team (VulDB User) VulDB CNA Team