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PyPA
PyPA
•added 2026/07/07 4:03 p.m.•26 views

XGrammar affected by Denial of Service by infinite recursion grammars

SummaryThis issue: http://github.com/mlc-ai/xgrammar/issues/250 should have it's own security advisory. Since several tools accept and pass user supplied grammars to xgrammar, and it is so easy to trigger it seems like a High...

8.7CVSS5.8AI score0.00466EPSS
SaveExploits1References7Affected Software1
Veracode
Veracode
•added 2025/09/19 3:03 p.m.•24 views

Improper Input Validation

xgrammar is vulnerable to improper input validation. The vulnerability is due to the lack of validation on user-supplied grammars, which allows an attacker to easily trigger the flaw and potentially exploit affected tools that pass untrusted grammars to xgrammar...

8.7CVSS6.1AI score0.00466EPSS
SaveExploits1References5Affected Software1
osv_ghsa
osv_ghsa
•added 2025/08/25 8:43 p.m.•12 views

GHSA-5CMR-4PX5-23PC XGrammar affected by Denial of Service by infinite recursion grammars

Summary This issue: http://github.com/mlc-ai/xgrammar/issues/250 should have it's own security advisory. Since several tools accept and pass user supplied grammars to xgrammar, and it is so easy to trigger it seems like a High...

8.7CVSS7.2AI score0.00466EPSS
SaveExploits1References5
Github Security Blog
Github Security Blog
•added 2025/08/25 8:43 p.m.•14 views

XGrammar affected by Denial of Service by infinite recursion grammars

Summary This issue: http://github.com/mlc-ai/xgrammar/issues/250 should have it's own security advisory. Since several tools accept and pass user supplied grammars to xgrammar, and it is so easy to trigger it seems like a High...

8.7CVSS6.5AI score0.00466EPSS
SaveExploits1References5Affected Software1
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