CVE-2026-90714 marcobambini Gravity JSON parser gravity_json.c memory corruption
Remote attackers can exploit a memory corruption flaw in the Gravity JSON parser to potentially execute arbitrary code or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-90714?
CVE-2026-90714 is a medium-severity memory corruption vulnerability in marcobambini Gravity, published on 14 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A weakness has been identified in marcobambini Gravity up to 0.9.7. The impacted element is an unknown function of the file src/utils/gravity_json.c of the component JSON parser. This manipulation causes memory corruption. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 0.9.8 is sufficient to resolve this issue. Patch name: 9b337c3eae5833c3956bed1fc01c21c14fd443f2. It is suggested to upgrade the affected component.
Weakness: CWE-119
Which versions are affected by CVE-2026-90714?
How do I fix CVE-2026-90714?
No fix has been published for CVE-2026-90714 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-90714 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90714 exists.
Sources
Also known as GHSA-27w8-c924-2678.