CVE-2026-86321
java-json-tools jackson-coreutils URL Validation JsonLoader.java JsonLoader.fromURL server-side request forgery
- State
- Published
- Severity
- 6.9 Medium
- Published
- Sep 7, 2026
- Updated
- Sep 8, 2026
- Reserved
- Sep 7, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | 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 | VulDB |
| 3.1 | 5.3 Medium | 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 | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-918 Server-Side Request Forgery
Affected Products
| Product | Versions |
|---|---|
jackson-coreutilsjava-json-tools |
|
References
- VDB-399511 | java-json-tools jackson-coreutils URL Validation JsonLoader.java JsonLoader.fromURL server-side request forgeryvdb-entrytechnical-description
- VDB-399511 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-86321 | CVE Analysis and Reportthird-party-advisory
- Submit #908323 | java-json-tools jackson-coreutils 2.0 SSRF + BigDecimal Amplification Remote DoSthird-party-advisory
- https://github.com/java-json-tools/jackson-coreutils/issues/64exploitissue-tracking
- https://github.com/java-json-tools/jackson-coreutils/product
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