Vulnerability in Wummel Patool

CVE-2026-124584

A vulnerability has been found in wummel patool 4.1.0. This vulnerability affects the function extract_gzip of the file patoolib/fileutil.py of the component Gzip Extraction Handler. The manipulation leads to symlink following. Local access is required to approach this attack. The researcher claims to have submitted a GHSA on the repository of the project.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-124584?
CVE-2026-124584 is a medium-severity vulnerability in Wummel Patool, classified under Improper Link Resolution Before File Access. CVSS score: 4.4/10. Published 2026-11-09.
How severe is CVE-2026-124584?
Medium severity. CVSS v3 base score is 4.4 out of 10.