EUVD-2026-9830

xgrammar vulnerable to DoS via multi-layer nesting...

PYSEC-2026-2322

xgrammar is an open-source library for efficient, flexible, and portable structured generation. Prior to version 0.1.32, the multi-level nested syntax caused a segmentation fault core dumped. This issue has been patched in version 0.1.32...

PT-2025-36398

Name of the Vulnerable Software and Affected Versions xgrammar versions 0.1.23 Description xgrammar is an open-source library for efficient, flexible, and portable structured generation. A grammar optimizer introduced in version 0.1.23 can be exploited to cause a denial-of-service DOS attack on...

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...