CVE-2025-57809
7.5 · HIGHOverview
CVE-2025-57809 is a high-severity vulnerability affecting mlc-ai xgrammar. It was published on August 25, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
XGrammar is an open-source library for efficient, flexible, and portable structured generation. Prior to version 0.1.21, XGrammar has an infinite recursion issue in the grammar. This issue has been resolved in version 0.1.21.
Remediation
Check the references section for vendor advisories and patches from mlc-ai. Update xgrammar to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| mlc-ai | xgrammar | >= 0, < 0.1.21 | Affected |
Frequently Asked Questions
What is CVE-2025-57809?
CVE-2025-57809 is a high-severity vulnerability affecting mlc-ai xgrammar. It was published on August 25, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2025-57809?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-57809?
Check the references section for vendor advisories and patches from mlc-ai. Update xgrammar to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-57809?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-57809 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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