CVE-2026-86319 java-json-tools json-patch Patch Operation JsonPatch.java JsonPatch.apply resource consumption
Remote attackers can cause resource exhaustion in java-json-tools json-patch via the JsonPatch.apply function, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-86319?
CVE-2026-86319 is a medium-severity denial of service vulnerability in java-json-tools json-patch, published on 7 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-86319?
How do I fix CVE-2026-86319?
No fix has been published for CVE-2026-86319 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-86319 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-86319 exists.
Sources
Also known as GHSA-7fc8-9vq7-8mjg.