CVE-2026-25048 - Vulnerability Details - OpenCVE

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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable yes

Technical Impact partial

No data.

No data.

No data.

No data.

References

Link	Providers
https://github.com/mlc-ai/xgrammar/releases/tag/v0.1.32
https://github.com/mlc-ai/xgrammar/security/advisories/GHSA-7rgv-gqhr-fxg3

History

Thu, 05 Mar 2026 17:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 05 Mar 2026 16:00:00 +0000

Type	Values Removed	Values Added
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.
Title		xgrammar: Multi-layer nesting causes DoS
Weaknesses		CWE-674
References		https://github.com/mlc-ai/xgrammar/releases/tag/v0.1.32 https://github.com/mlc-ai/xgrammar/security/advisories/GHSA-7rgv-gqhr-fxg3
Metrics		cvssV4_0 `{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-03-05T15:34:42.095Z

Updated: 2026-03-05T16:33:36.678Z

Reserved: 2026-01-28T14:50:47.886Z

Link: CVE-2026-25048

Vulnrichment

Updated: 2026-03-05T16:33:33.059Z

NVD

Status : Awaiting Analysis

Published: 2026-03-05T16:16:15.853

Modified: 2026-03-05T19:38:33.877

Link: CVE-2026-25048

Redhat

No data.

OpenCVE Enrichment

No data.

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