java-json-tools json-patch up to 1.13 Patch Operation JsonPatch.java JsonPatch.apply resource consumption

Summaryinfo

A vulnerability was found in java-json-tools json-patch up to 1.13. It has been declared as problematic. Affected by this issue 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 results in resource consumption. This vulnerability is known as CVE-2026-86319. It is possible to launch the attack remotely. Furthermore, an exploit is available. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability classified as problematic has been found in java-json-tools json-patch up to 1.13. Affected 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 with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-86319. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Programming Language Software

Vendor

• java-json-tools

Name

• json-patch

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13

Website

• Product: https://github.com/java-json-tools/json-patch/

CPE 2.3info

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• 🔒
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CPE 2.2info

• 🔒
• 🔒
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Submitinfo

Accepted

• Submit #908321: java-json-tools json-patch 1.13 Denial of Service via Unbounded Patch Operations and deepCopy (by York Shen - Yong Shen - PayPal Cyber Security Team)

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