CVE-2026-25048

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Source
https://cve.org/CVERecord?id=CVE-2026-25048
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-25048.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-25048
Aliases
Downstream
CGA (7)
Published
2026-03-05T15:34:42Z
Modified
2026-10-21T02:56:27Z
Severity
  • 8.7 (High) CVSS_V4 - 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 CVSS Calculator
Summary
xgrammar: Multi-layer nesting causes DoS
Details

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.

Database specific 
{
    "cna_assigner":  "GitHub_M",
    "cwe_ids":  [
        "CWE-674"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25048.json"
}
References

Affected packages

Git / github.com/mlc-ai/xgrammar

Affected ranges

Type
GIT
Repo
https://github.com/mlc-ai/xgrammar
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
62e13551b9b63251114894c5ee638564b160dd48
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "0.1.32"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StringRangeExpression"
        },
        {
            "original_tag":  "v0.1.32",
            "range":  [
                {
                    "fixed":  "62e13551b9b63251114894c5ee638564b160dd48"
                }
            ],
            "source":  "REFERENCES_TAG"
        },
        {
            "cpe":  "cpe:2.3:a:mlc-ai:xgrammar:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "0.1.32"
                }
            ],
            "source":  "CPE_RANGE"
        }
    ]
}

Affected versions

v0.*
v0.1.10
v0.1.11
v0.1.12
v0.1.13
v0.1.14
v0.1.15
v0.1.16
v0.1.18
v0.1.19
v0.1.21
v0.1.22
v0.1.23
v0.1.24
v0.1.25
v0.1.26
v0.1.27
v0.1.28
v0.1.29
v0.1.30
v0.1.31
v0.1.9

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-25048.json"