CVE-2026-44897
2 advisories.
PyPI/mistune CVE-2026-44897: medium 6.1, EPSS 0.27%
Mistune Heading ID Attribute has Injection XSS
Action: Upgrade mistune to 3.2.1 or later.
pip install mistune==3.2.1Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.2.1 | - |
Fixed versions
| 3.2.1 |
Sources
- osv: GHSA-v87v-83h2-53w7
- https://github.com/lepture/mistune/security/advisories/GHSA-v87v-83h2-53w7
- https://nvd.nist.gov/vuln/detail/CVE-2026-44897
- https://github.com/lepture/mistune
- https://github.com/lepture/mistune/releases/tag/v3.2.1
CVE-2026-44897 · published · modified · JSON
PyPI/mistune CVE-2026-44897: medium 6.1, EPSS 0.27%
Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, HTMLRenderer.heading() builds the opening <hN> tag by string-concatenating the id attribute value directly into the HTML
Action: Upgrade mistune to 3.2.1 or later.
pip install mistune==3.2.1Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.2.1 | - |
Fixed versions
| 3.2.1 |
Sources
- osv: PYSEC-2026-2207
- https://github.com/lepture/mistune/releases/tag/v3.2.1
- https://github.com/lepture/mistune/security/advisories/GHSA-v87v-83h2-53w7
CVE-2026-44897 · published · modified · JSON