Path traversal in Artifex Software Inc. *PyMuPDF* PyMuPDF
Priority MEDIUM 41CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 1 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-22 and the CVSS impact.
Summary
A path traversal and arbitrary file write vulnerability exist in the embedded get function in '_main_.py' in PyMuPDF version, 1.26.5.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00376 31st percentileScored 2026-11-07
Fix Partial PyMuPDF (Artifex Software Inc. *PyMuPDF*): 1.26.7PyMuPDF (PyPI): 1.26.7Red Hat: 1 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Artifex Software Inc. *PyMuPDF* | PyMuPDF | 1.26.5 to before 1.26.7 | 1.26.7 | Patch available | CNA |
| — | PyMuPDF (PyPI) | 1.26.5 to before 1.26.7 | 1.26.7 | Patch available | GHSA-cxqh-p2w9-fmr7 |
- PyMuPDF VendorArtifex Software Inc. *PyMuPDF* Affected 1.26.5 to before 1.26.7 Fixed in 1.26.7 Patch available CNA
- PyMuPDF (PyPI) Vendor— Affected 1.26.5 to before 1.26.7 Fixed in 1.26.7 Patch available GHSA-cxqh-p2w9-fmr7
Remediation
- Fix · CNA PyMuPDF (Artifex Software Inc. *PyMuPDF*) Fixed in 1.26.7
- Fix · GHSA-cxqh-p2w9-fmr7 PyMuPDF (PyPI) Fixed in 1.26.7 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AI (RHEL AI) 3 | Affected | No fix yet |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-3029
- 2026-10-03 Alias added: GHSA-cxqh-p2w9-fmr7
References
More Artifex Software Inc. *PyMuPDF* vulnerabilities
- TI-2026-02856 Integer overflow in Artifex Software Inc. *PyMuPDF* MuPDF CVSS 3.1HIGH 7.8
Sources
- CVE-2026-3029 · CVE Program
- CVE-2026-3029 · NVD
- FIRST EPSS
- GHSA-cxqh-p2w9-fmr7 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-3029 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences