PyPI/markdown CVE-2025-69534: high 7.5, EPSS 0.66%
Python-Markdown version 3.8 contain a vulnerability where malformed HTML-like sequences can cause html.parser.HTMLParser to raise an unhandled AssertionError during Markdown parsing. Because Python-Ma
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | 3.8 |
Fixed versions
No fixed version in the source.
Sources
- osv: PYSEC-2026-89
- https://github.com/Python-Markdown/markdown/actions/runs/15736122892
- http://www.openwall.com/lists/oss-security/2026/03/06/4
- https://github.com/Python-Markdown/markdown/issues/1534
- https://github.com/Python-Markdown/markdown
- https://github.com/advisories/GHSA-5wmx-573v-2qwq
CVE-2025-69534 · published · modified · JSON