CVE-2026-44899
2 advisories.
PyPI/mistune CVE-2026-44899: medium 4.7, EPSS 0.27%
Mistune Image Directive CSS Injection Vulnerability
Action: Upgrade mistune to 3.2.1 or later.
pip install mistune==3.2.1Affected
| introduced | fixed | last affected |
|---|---|---|
| 3.2.0 | 3.2.1 | - |
Fixed versions
| 3.2.1 |
Sources
- osv: GHSA-ccfx-mfmx-2fx9
- https://github.com/lepture/mistune/security/advisories/GHSA-ccfx-mfmx-2fx9
- https://nvd.nist.gov/vuln/detail/CVE-2026-44899
- https://github.com/lepture/mistune
- https://github.com/lepture/mistune/releases/tag/v3.2.1
CVE-2026-44899 · published · modified · JSON
PyPI/mistune CVE-2026-44899: medium 6.1, EPSS 0.27%
Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as _num_re = re.compile(r"^\
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-2026-2209
- https://github.com/lepture/mistune/releases/tag/v3.2.1
- https://github.com/lepture/mistune/security/advisories/GHSA-ccfx-mfmx-2fx9
CVE-2026-44899 · published · modified · JSON