Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV N L N N N N N H 8.7 .0071 50.6 —
AFFECTED Product Versions Fixed xgrammar < 0.1.32 – —
TIMELINE Jan 28 Reserved by GitHub_M Mar 5 Published (CNA: GitHub_M) Jul 21 EXPLOIT PUBLISHED — CVE-2026-25048 (mlc-ai xgrammar). Public exploit reference added.
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.
| Date | Event | Detail |
|---|---|---|
| January 28, 2026 | Reserved | Reserved by GitHub_M |
| March 5, 2026 | Published | Published (CNA: GitHub_M) |
| July 21, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-25048 (mlc-ai xgrammar). Public exploit reference added. |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| mlc-ai | xgrammar | — | < 0.1.32 | — |
Authoritative record: CVE-2026-25048 at cve.org
Vendors: mlc-ai
Weaknesses: CWE-674
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-25048 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.