ObjectWrapper Null Pointer Dereference in oatpp by Oat++ Framework
CVE-2026-1990

4.8MEDIUM

Key Information:

Vendor

Oat++ Framework

Status
Oatpp
Vendor
CVE Published:
6 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-1990?

A vulnerability has been identified in the Oat++ framework, specifically within the function oatpp::data::type::ObjectWrapper::ObjectWrapper located in src/oatpp/data/type/Type.hpp. This issue can lead to a null pointer dereference when accessed locally, making it essential for developers to be aware of the potential for exploitation. The vulnerability has been publicized, highlighting the community's concern as the project maintainers have yet to address the problem despite being informed through an issue report.

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Affected Version(s)

oatpp 1.3.0

oatpp 1.3.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-1990 - Proof of Concept

References

https://vuldb.com/?id.344508
vdb-entrytechnical-description
https://vuldb.com/?ctiid.344508
signaturepermissions-required
https://vuldb.com/?submit.743387
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Oneafter (VulDB User)
JSON
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