CVE-2025-59489
Last modified
CVE-2025-59489 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. Unity Runtime before 2025-10-02 on Android, Windows, macOS, and Linux allows argument injection that can result in loading of library code from an unintended location. If an application was built with a version of Unity Editor that had the vulnerable Unity Runtime code, then an adversary may be able to execute code on, and exfiltrate confidential information from, the machine on which that application is running. EPSS estimates a 0.59% chance of exploitation in the next 30 days.
Description
Unity Runtime before 2025-10-02 on Android, Windows, macOS, and Linux allows argument injection that can result in loading of library code from an unintended location. If an application was built with a version of Unity Editor that had the vulnerable Unity Runtime code, then an adversary may be able to execute code on, and exfiltrate confidential information from, the machine on which that application is running. NOTE: product status is provided for Unity Editor because that is the information available from the Supplier. However, updating Unity Editor typically does not address the effects of the vulnerability; instead, it is necessary to rebuild and redeploy all affected applications.
Metrics
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Unity | Editor | >= 2017.4, <= 2018.4 |
| Unity | Editor | >= 2019.1, < 2019.1.15f1 |
| Unity | Editor | >= 2019.2, < 2019.2.23f1 |
| Unity | Editor | >= 2019.3, <= 2019.3.17f1 |
| Unity | Editor | >= 2019.4, < 2019.4.41f1 |
| Unity | Editor | >= 2020.1, < 2020.1.18f1 |
| Unity | Editor | >= 2020.2, < 2020.2.8f1 |
| Unity | Editor | >= 2020.3, < 2020.3.49f1 |
| Unity | Editor | >= 2021.1, < 2021.1.29f1 |
| Unity | Editor | >= 2021.2, < 2021.2.20f1 |
| Unity | Editor | >= 2021.3, < 2021.3.45f2 |
| Unity | Editor | >= 2022.1, < 2022.1.25f1 |
| Unity | Editor | >= 2022.2, < 2022.2.23f1 |
| Unity | Editor | >= 2022.3, < 2022.3.62f2 |
| Unity | Editor | >= 2023.1, < 2023.1.22f1 |
| Unity | Editor | >= 2023.2, < 2023.2.22f1 |
| Unity | Editor | >= 6000.0, < 6000.0.58f2 |
| Unity | Editor | >= 6000.1, < 6000.1.17f1 |
| Unity | Editor | >= 6000.2, < 6000.2.6f2 |
| Unity | Editor | >= 6000.3, < 6000.3.0b4 |
| Unity | Editor | 2017.1.2p4\+ |
| Unity | Editor | 2017.2.0p4\+ |
| Unity | Editor | 2017.3.0b9\+ |
References
- https://flatt.tech/research/posts/arbitrary-code-execution-in-unity-runtime/Exploit, Third Party Advisory
- https://unity.com/security/sept-2025-01Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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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.
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