CVE-2025-6566
HIGHCVSS 7.5/10EPSS 0.67%
Last modified
CVE-2025-6566 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability was found in oatpp Oat++ up to 1.3.1. It has been declared as critical. EPSS estimates a 0.67% chance of exploitation in the next 30 days.
Description
A vulnerability was found in oatpp Oat++ up to 1.3.1. It has been declared as critical. This vulnerability affects the function deserializeArray of the file src/oatpp/json/Deserializer.cpp. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Oatpp | Oat\+\+ | <= 1.3.1 |
References
- https://github.com/oatpp/oatpp/issues/1037Exploit, Issue Tracking
- https://vuldb.com/?ctiid.313738Permissions Required, VDB Entry
- https://vuldb.com/?id.313738Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.597453Third Party Advisory, VDB Entry
- https://github.com/oatpp/oatpp/issues/1037Exploit, Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-6566?
A vulnerability was found in oatpp Oat++ up to 1.3.1. It has been declared as critical. This vulnerability affects the function deserializeArray of the file src/oatpp/json/Deserializer.cpp. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-6566?
CVE-2025-6566 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.
How do I fix CVE-2025-6566?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2025-6566?
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Scan your code nowSource: NVD / NIST