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Fencer Vulns
high 8.2

CVE-2026-3029 json

CVE-2026-3029

published 2026-03-19 7 mo ago modified 2026-07-15 3 mo ago also GHSA-cxqh-p2w9-fmr7 , PYSEC-2026-3001 , EUVD-2026-13117

cvss
8.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits
0
none known

Summary

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

Patch / fix

  • pypi pymupdf 1.26.7
  • Artifex Software Inc. *PyMuPDF* PyMuPDF 1.26.7
  • pymupdf Debian 13 1.25.4+ds1-3+deb13u1
  • pymupdf Debian 14 1.26.7+ds1-1

debian advisories DEBIAN-CVE-2026-3029

  • python-PyMuPDF openSUSE Tumbleweed 1.27.2.2-1.1

opensuse advisories openSUSE-SU-2026:10416-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-3029 updated cvss 8.2

PyMuPDF: PyMuPDF: Arbitrary file write via path traversal vulnerability

  • Red Hat Enterprise Linux AI (RHEL AI) 3 rhelai3/bootc-cuda-rhel9, rhelai3/bootc-rocm-rhel9, rhelai3/disk-image-cuda-rhel9
    affected: workaround, no fix available

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
7 mo ago

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA ADP 3.1 8.2 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 8.2 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
pypi pymupdf
>=1.26.5, <1.26.7
1.26.7

Affected products

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

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.