CVE-2026-1990 oatpp Type.hpp ObjectWrapper null pointer dereference
A local attacker can cause a denial of service via null pointer dereference in the oatpp library's ObjectWrapper constructor.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1990?
CVE-2026-1990 is a medium-severity vulnerability in oatpp, published on 6 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A security vulnerability has been detected in oatpp up to 1.3.1. This impacts the function oatpp::data::type::ObjectWrapper::ObjectWrapper of the file src/oatpp/data/type/Type.hpp. The manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed publicly 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-2026-1990?
How do I fix CVE-2026-1990?
No fix has been published for CVE-2026-1990 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-1990 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1990 exists.
Sources
Also known as GHSA-v6mc-qhp8-9w23.