Is CVE-2026-25048 actively exploited?

CVE-2026-25048 has no public evidence of in-the-wild exploitation as of 2026-03-13.

What is the CVSS score for CVE-2026-25048?

CVE-2026-25048 has a CVSS score of 8.7 (HIGH severity). 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

How do I patch CVE-2026-25048?

Patch guidance is available from mlc-ai security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-25048.

Fix CVE-2026-25048 - HIGH mlc-ai xgrammar

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.

CVSS Metrics

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-674

Metadata

Primary Vendor: MLC-AI
Published: 3/5/2026
Last Modified: 3/13/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-25048

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary