CVE-2026-59926
2 advisories.
PyPI/mistune CVE-2026-59926: medium
Mistune: XSS via unescaped class option in Admonition directive
Action: Upgrade mistune to 3.3.0 or later.
pip install mistune==3.3.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.3.0 | - |
Fixed versions
| 3.3.0 |
Sources
- osv: GHSA-g97x-gvcm-x72h
- https://github.com/lepture/mistune/security/advisories/GHSA-g97x-gvcm-x72h
- https://nvd.nist.gov/vuln/detail/CVE-2026-59926
- https://github.com/lepture/mistune/commit/a3cb6e5655308797e8be021d6c7b5bab13cbace2
- https://github.com/lepture/mistune
- https://github.com/lepture/mistune/releases/tag/v3.2.1
- https://github.com/pypa/advisory-database/tree/main/vulns/mistune/PYSEC-2026-2214.yaml
CVE-2026-59926 · published · modified · JSON
PyPI/mistune CVE-2026-59926: medium 6.1
Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, render_admonition() in src/mistune/directives/admonition.py concatenates the Admonition directive :class: option into th
Action: Upgrade mistune to 3.3.0 or later.
pip install mistune==3.3.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.3.0 | - |
Fixed versions
| 3.3.0 |
Sources
- osv: PYSEC-2026-2214
- https://github.com/lepture/mistune/releases/tag/v3.2.1
- https://github.com/lepture/mistune/security/advisories/GHSA-g97x-gvcm-x72h
- https://github.com/lepture/mistune/commit/a3cb6e5655308797e8be021d6c7b5bab13cbace2
CVE-2026-59926 · published · modified · JSON