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CVE-2026-25048 (GCVE-0-2026-25048)

Vulnerability from cvelistv5 – Published: 2026-03-05 15:34 – Updated: 2026-07-21 12:05
VLAI
Title
xgrammar: Multi-layer nesting causes DoS
Summary
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.
Severity
8.7 (High)
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
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-05 16:33 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
mlc-ai xgrammar Affected: < 0.1.32
guessed Create a notification for this product.
Red Hat Red Hat AI Inference Server 3.2 Unaffected: 1774351144 , < * (rpm)
    cpe:/a:redhat:ai_inference_server:3.2::el9
Create a notification for this product.
Red Hat Red Hat AI Inference Server 3.2 Unaffected: 1774547384 , < * (rpm)
    cpe:/a:redhat:ai_inference_server:3.2::el9
Create a notification for this product.
Red Hat Red Hat AI Inference Server 3.2 Unaffected: 1775252598 , < * (rpm)
    cpe:/a:redhat:ai_inference_server:3.2::el9
Create a notification for this product.
Red Hat Red Hat OpenShift AI 2.25 Unaffected: 1780069069 , < * (rpm)
    cpe:/a:redhat:openshift_ai:2.25::el9
Create a notification for this product.
Red Hat Red Hat OpenShift AI 2.25 Unaffected: 1783998774 , < * (rpm)
    cpe:/a:redhat:openshift_ai:2.25::el9
Create a notification for this product.
Red Hat Red Hat OpenShift AI 2.25 Unaffected: 1783998857 , < * (rpm)
    cpe:/a:redhat:openshift_ai:2.25::el9
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Red Hat Red Hat AI Inference Server     cpe:/a:redhat:ai_inference_server:3
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Red Hat Red Hat Enterprise Linux AI (RHEL AI) 3     cpe:/a:redhat:enterprise_linux_ai:3
Create a notification for this product.
Red Hat Red Hat OpenShift AI (RHOAI)     cpe:/a:redhat:openshift_ai
Create a notification for this product.
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