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High 7.5Published Mar 5, 2026
CVE-2026-25048xgrammar is an open-source library for efficient, flexible, and portable structured generation.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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
- 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-674
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Jul 21, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
mlc-ai xgrammar mlc-ai:xgrammar | before 0.1.32 | NVD |
References
- https://github.com/mlc-ai/xgrammar/releases/tag/v0.1.32release-notes
- https://github.com/mlc-ai/xgrammar/security/advisories/GHSA-7rgv-gqhr-fxg3exploit, vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:24977
- https://access.redhat.com/errata/RHSA-2026:42644
- https://access.redhat.com/errata/RHSA-2026:5809
- https://access.redhat.com/errata/RHSA-2026:6761
- https://access.redhat.com/errata/RHSA-2026:6762
- https://access.redhat.com/security/cve/CVE-2026-25048
- https://bugzilla.redhat.com/show_bug.cgi?id=2444840
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-25048.json
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.