VDB
CVE-2026-59925
CVE-2026-59925
PUBLISHED
CVSS 7.5 HIGH
Mistune inline_parser: quadratic-time parsing on long runs of `**x**` and `***x***` emphasis pairs
EPSS 0.41% · 33.7th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.41%
33.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| lepture | mistune | < 3.3.0 |
| PyPI | mistune | 0 |
Timeline
- Jul 8, 2026 CVE Published
- Jul 9, 2026 EPSS Score
- Jul 9, 2026 Coalition ESS Score
- Jul 20, 2026 CVE Updated
- Aug 7, 2026 EPSS Score
- Aug 21, 2026 Security Advisory
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-59925 advisory
- https://github.com/advisories/GHSA-4j32-57v6-6g45 advisory
- https://github.com/lepture/mistune/security/advisories/GHSA-4j32-57v6-6g45 url
- https://github.com/lepture/mistune/commit/5de41fb8e527004dbc363e047a3c380c9288c74f patch
- https://github.com/lepture/mistune/releases/tag/v3.3.0 url
- https://github.com/pypa/advisory-database/tree/main/vulns/mistune/PYSEC-2026-2213.yaml advisory