Vulnerability Database

308,485

Total vulnerabilities in the database

CVE-2025-57809

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.

Published: Aug 25, 2025
Updated: Nov 17, 2025
CVE: CVE-2025-57809
GHSA: GHSA-5cmr-4px5-23pc
Severity: High
Exploit:

CVSS v3:

Severity: Unknown
Score:
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWEs:

CWE-674

Affected Software
References

Software	From	Fixed in
xgrammar	-	0.1.21
mlc-ai / xgrammar	-	0.1.21

https://github.com/mlc-ai/xgrammar/commit/b943feacb5a1caf4d39de8ec3bf7c7ce066dcee5
https://github.com/mlc-ai/xgrammar/issues/250
https://github.com/mlc-ai/xgrammar/security/advisories/GHSA-5cmr-4px5-23pc

Deep Security Visibility Without the Complexity

SynScan provides clear, real-time security insights so you can monitor your attack surface, spot risks early, and act fast—without extra complexity.

No setup fees
5-min deployment
Cancel anytime

Book a Demo