NULL pointer dereference in Oatpp

CVE-2026-1990

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.002 (4.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-1990: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

  • Oatpp — versions 1.3.0, 1.3.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-1990?
CVE-2026-1990 is a low-severity vulnerability in Oatpp, classified under Improper Resource Shutdown or Release. CVSS score: 3.3/10. Published 2026-02-06.
How severe is CVE-2026-1990?
Low severity. CVSS v3 base score is 3.3 out of 10.