CVE-2026-25048

High
|8.7
No Exploit

Plain English Summary

AI-powered analysis for quick understanding

An attacker can crash applications using the xgrammar library by exploiting a flaw in its multi-level nested syntax, which leads to a segmentation fault. This issue affects versions before 0.1.32, so users need to update to the latest version to avoid this risk.

Technical 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 Vector Analysis

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
Confidentiality ImpactHigh
Integrity ImpactHigh
Availability ImpactHigh
ScopeChanged

Vector String

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

Exploit Resources

Search for proof-of-concept code and exploit modules

Official References

Est. Bounty
$4,579($1K-$5K)
Vendor Response
Grade APatched in 0 days

Quick Information

Published

Mar 5, 2026

about 1 month ago

Last Modified

Mar 5, 2026

about 1 month ago