CVE-2026-86512
MediumCVSS 6.3Summary
A vulnerability in java-json-tools json-patch up to 1.13 affects the CopyOperation.apply/MoveOperation.apply functions in src/main/java/com/github/fge/jsonpatch/CopyOperation.java in the Copy Move Operations component. Manipulation leads to improper access controls. Remote exploitation is possible, and the exploit is publicly available. The project has not responded to the issue report.
Risk Assessment
Improper access controls may allow an attacker to perform unauthorized operations on data, potentially compromising integrity and confidentiality.
Recommendation
Monitor vendor patch announcements and restrict access to services using json-patch to trusted sources.
Other vulnerabilities in json-patch
See all- CVE-2026-86319Medium
A vulnerability has been found in java-json-tools json-patch up to 1.13. Affected by this vulnerability is the function JsonPatch.apply of the file src/main/java/com/github/fge/jsonpatch/JsonPatch.java of the component Patch Operation Handler. The manipulation leads to resource consumption. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
- CVE-2026-86318Medium
A flaw has been found in java-json-tools json-patch up to 1.13. Affected is the function JsonMergePatch.fromJson of the file JsonMergePatchDeserializer.java. Executing a manipulation can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Original NVD description (English source)
A vulnerability was identified in java-json-tools json-patch up to 1.13. This affects the function CopyOperation.apply/MoveOperation.apply of the file src/main/java/com/github/fge/jsonpatch/CopyOperation.java of the component Copy Move Operations. The manipulation leads to improper access controls. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

