Review reviewHigh

CVE-2026-3029

Artifex Software Inc. PyMuPDF PyMuPDF, Red Hat Enterprise Linux AI (RHEL AI) 3

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

PRIORITY ASSESSMENT

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.35%

Technical severityCVSS 7.5

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

Product: Artifex Software Inc. *PyMuPDF* PyMuPDF, Red Hat Enterprise Linux AI (RHEL AI) 3
Affected versions: >= 1.26.5 < 1.26.7
Fixed versions: No verified fixed-version field is available yet

Confirm exposure before applying a vendor-supported change.

1
Identify
Confirm that Artifex Software Inc. *PyMuPDF* PyMuPDF, Red Hat Enterprise Linux AI (RHEL AI) 3 and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.