A vulnerability was found in java-json-tools jackson-coreutils 2.0. (CVE-2026-86321)
A server-side request forgery (SSRF) vulnerability exists in the java-json-tools jackson-coreutils 2.0 component, specifically in the JsonLoader.fromURL function. This vulnerability allows remote attackers to manipulate URL validation and potentially cause denial of service. The vulnerability has a CVSS score of 5.3 (medium severity). No patch or fix has been provided yet, and the project has not responded to the issue report. Exploit code has been made public, but no known exploits in the wild have been reported.
AI Analysis
Technical Summary
The vulnerability in java-json-tools jackson-coreutils 2.0 affects the JsonLoader.fromURL function in the URL validation component. It allows remote attackers to perform server-side request forgery (CWE-918) by manipulating the URL input. This can lead to denial of service conditions. The vulnerability has been publicly disclosed with exploit code available, but the maintainers have not issued a fix or response. The CVSS 3.1 base score is 5.3, indicating moderate risk.
Potential Impact
The vulnerability enables remote attackers to cause server-side request forgery, potentially leading to denial of service. There is no indication of confidentiality or integrity impact. No active exploitation in the wild has been confirmed.
Mitigation Recommendations
No official fix or patch is currently available. Users should monitor the project for updates and consider implementing network-level restrictions or input validation as temporary mitigations. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
A vulnerability was found in java-json-tools jackson-coreutils 2.0. (CVE-2026-86321)
Description
A server-side request forgery (SSRF) vulnerability exists in the java-json-tools jackson-coreutils 2.0 component, specifically in the JsonLoader.fromURL function. This vulnerability allows remote attackers to manipulate URL validation and potentially cause denial of service. The vulnerability has a CVSS score of 5.3 (medium severity). No patch or fix has been provided yet, and the project has not responded to the issue report. Exploit code has been made public, but no known exploits in the wild have been reported.
CVSS v3.1
Score 5.3medium
Affected software
pkg:maven/com.github.java-json-tools/jackson-coreutilsRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in java-json-tools jackson-coreutils 2.0 affects the JsonLoader.fromURL function in the URL validation component. It allows remote attackers to perform server-side request forgery (CWE-918) by manipulating the URL input. This can lead to denial of service conditions. The vulnerability has been publicly disclosed with exploit code available, but the maintainers have not issued a fix or response. The CVSS 3.1 base score is 5.3, indicating moderate risk.
Potential Impact
The vulnerability enables remote attackers to cause server-side request forgery, potentially leading to denial of service. There is no indication of confidentiality or integrity impact. No active exploitation in the wild has been confirmed.
Mitigation Recommendations
No official fix or patch is currently available. Users should monitor the project for updates and consider implementing network-level restrictions or input validation as temporary mitigations. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-rrq3-h776-pmxg
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-86321"]
- Ecosystems
- []
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Threat ID: 6a9f9118acd9273b49ff2d50
Added to database: 09/08/2026, 04:37:44 UTC
Last enriched: 09/08/2026, 04:53:14 UTC
Last updated: 09/08/2026, 07:51:59 UTC
Views: 6
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