CVE-2026-25048

HIGH

xgrammar <0.1.32 - Memory Corruption

Title source: llm
STIX 2.1

Description

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.

Scores

CVSS v3 7.5
EPSS 0.0008
EPSS Percentile 22.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-674
Status published
Products (2)
mlc-ai/xgrammar < 0.1.32
pypi/xgrammar 0 - 0.1.32PyPI
Published Mar 05, 2026
Tracked Since Mar 05, 2026