# CVE-2026-86319

## Summary

- **CVE ID:** CVE-2026-86319
- **Severity:** MEDIUM
- **CVSS Score:** 6.9 (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)
- **CWE:** CWE-400, CWE-404
- **Published:** Sep 7, 2026
- **Last Modified:** Sep 9, 2026

## Description

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.

## Affected Products

- java-json-tools — json-patch (1.0)
- java-json-tools — json-patch (1.1)
- java-json-tools — json-patch (1.2)
- java-json-tools — json-patch (1.3)
- java-json-tools — json-patch (1.4)
- java-json-tools — json-patch (1.5)
- java-json-tools — json-patch (1.6)
- java-json-tools — json-patch (1.7)
- java-json-tools — json-patch (1.8)
- java-json-tools — json-patch (1.9)
- java-json-tools — json-patch (1.10)
- java-json-tools — json-patch (1.11)
- java-json-tools — json-patch (1.12)
- java-json-tools — json-patch (1.13)

## References

- [CNA](https://vuldb.com/vuln/399510)
- [CNA](https://vuldb.com/vuln/399510/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-86319)
- [CNA](https://vuldb.com/submit/908321)
- [CNA](https://github.com/java-json-tools/json-patch/issues/167)
- [CNA](https://github.com/java-json-tools/json-patch/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.40%
- **EPSS Percentile:** 34.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._