# pymdown-extensions (PyPI) vulnerabilities

5 known vulnerabilities (2 high, 2 medium, 1 low), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 12.3.0 (Oct 14, 2026): no advisory affects it
- Newest unaffected release: 12.3.0 (Oct 14, 2026), the latest release
- Weekly downloads: 5.7M
- Dependents: 1,193
- Releases: 126 since 1.0.0 (Dec 8, 2015)
- Registry: https://pypi.org/project/pymdown-extensions/
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-61632: 1.0.0 to 10.21.3 (11.0.0 is outside it)
- CVE-2026-67422: 1.0.0 to 11.0.0 (11.0.1 is outside it)
- CVE-2026-46338: 10.0.1 to 10.21.2 (10.21.3 is outside it)
- CVE-2025-68142: 1.0.0 to 10.16.0 (10.16.1 is outside it)
- CVE-2023-32309: 1.5.0 to 9.11.0 (10.0.0 is outside it)

## Advisories (5)

### [CVE-2026-61632](https://cve.now/CVE-2026-61632): PyMdown Extensions: Path traversal in the b64 extension lets \<img src\> read files outside base\_path

- Severity: Medium 5.3
- Published: Aug 6, 2026
- Affected: fixed in 11.0.0.
- Fixed in 11.0.0 (released Jun 23, 2026, 44 days before disclosure).
- The latest release, 12.3.0, is not affected.

### [CVE-2026-67422](https://cve.now/CVE-2026-67422): pymdown-extensions: Exponential-backtracking ReDoS in caret, tilde, betterem, and magiclink inline processors

- Severity: High 7.5
- Published: Aug 6, 2026
- Affected: fixed in 11.0.1.
- Fixed in 11.0.1 (released Jul 2, 2026, 35 days before disclosure).
- The latest release, 12.3.0, is not affected.

### [CVE-2026-46338](https://cve.now/CVE-2026-46338): PyMdown Extensions: Regression in pymdownx.snippets reintroduces sibling-prefix path traversal bypass despite restrict\_base\_path

- Severity: Medium 4.3
- Published: Jul 16, 2026
- Affected: from 10.0.1, fixed in 10.21.3.
- Fixed in 10.21.3 (released May 13, 2026, 64 days before disclosure).
- The latest release, 12.3.0, is not affected.

### [CVE-2025-68142](https://cve.now/CVE-2025-68142): PyMdown Extensions has ReDOS bug in Figure Capture extension

- Severity: Low 2.7
- Published: Dec 16, 2025
- Affected: fixed in 10.16.1.
- Fixed in 10.16.1 (released Jul 28, 2025, 141 days before disclosure).
- The latest release, 12.3.0, is not affected.

### [CVE-2023-32309](https://cve.now/CVE-2023-32309): Arbitrary file inclusion with the pymdowm-snippets extension

- Severity: High 7.5
- Published: May 15, 2023
- Affected: from 1.5, fixed in 10.0.
- Fixed in 10.0.0 (released May 15, 2023, the day of disclosure).
- The latest release, 12.3.0, is not affected.

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