CVE-2026-86512: Improper Access Controls in java-json-tools json-patch
CVE-2026-86512 is a medium severity vulnerability in the java-json-tools json-patch library up to version 1.13. It affects the CopyOperation.apply and MoveOperation.apply functions, leading to improper access controls. The vulnerability allows remote exploitation without user interaction and requires low attack complexity and low privileges. Exploit code is publicly available. The vendor has not yet responded or provided a fix.
AI Analysis
Technical Summary
This vulnerability in java-json-tools json-patch (up to version 1.13) involves improper access controls in the CopyOperation.apply and MoveOperation.apply methods within the Copy Move Operations component. The flaw allows remote attackers to exploit these functions to bypass intended access restrictions. The vulnerability has a CVSS 4.0 score of 5.3 (medium severity) with network attack vector, low complexity, no privileges required, and no user interaction needed. Although the issue was reported early, no official remediation or patch has been released, and public exploit code exists.
Potential Impact
Exploitation of this vulnerability can lead to unauthorized access or manipulation of JSON data via the affected copy and move operations. This could compromise data integrity or confidentiality depending on the application context. The vulnerability is remotely exploitable with low complexity and minimal privileges, increasing the risk of unauthorized actions within affected systems.
Mitigation Recommendations
No official fix or patch is currently available from the vendor. Users should monitor the vendor's communications for updates. Until a patch is released, consider restricting access to services using the vulnerable versions of json-patch and applying additional access controls at the application or network level to limit exposure.
CVE-2026-86512: Improper Access Controls in java-json-tools json-patch
Description
CVE-2026-86512 is a medium severity vulnerability in the java-json-tools json-patch library up to version 1.13. It affects the CopyOperation.apply and MoveOperation.apply functions, leading to improper access controls. The vulnerability allows remote exploitation without user interaction and requires low attack complexity and low privileges. Exploit code is publicly available. The vendor has not yet responded or provided a fix.
CVSS v4.0
Score 5.3medium
Affected software
pkg:maven/com.github.java-json-tools/json-patchcpe:2.3:a:java-json-tools:json-patch:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in java-json-tools json-patch (up to version 1.13) involves improper access controls in the CopyOperation.apply and MoveOperation.apply methods within the Copy Move Operations component. The flaw allows remote attackers to exploit these functions to bypass intended access restrictions. The vulnerability has a CVSS 4.0 score of 5.3 (medium severity) with network attack vector, low complexity, no privileges required, and no user interaction needed. Although the issue was reported early, no official remediation or patch has been released, and public exploit code exists.
Potential Impact
Exploitation of this vulnerability can lead to unauthorized access or manipulation of JSON data via the affected copy and move operations. This could compromise data integrity or confidentiality depending on the application context. The vulnerability is remotely exploitable with low complexity and minimal privileges, increasing the risk of unauthorized actions within affected systems.
Mitigation Recommendations
No official fix or patch is currently available from the vendor. Users should monitor the vendor's communications for updates. Until a patch is released, consider restricting access to services using the vulnerable versions of json-patch and applying additional access controls at the application or network level to limit exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-07T19:06:36.411Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a9f74f7acd9273b49d8b1d3
Added to database: 09/08/2026, 02:37:43 UTC
Last enriched: 09/08/2026, 02:52:52 UTC
Last updated: 09/08/2026, 03:00:40 UTC
Views: 4
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