VDB-433008 · Submit #1038992 · CVE-2026-124584

wummel patool 4.1.0 Gzip Extraction patoolib/fileutil.py extract_gzip symlink

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.4	$0-$5k	0.00+

Summaryinfo

A vulnerability, which was classified as critical, was found in wummel patool 4.1.0. This issue affects the function extract_gzip of the file patoolib/fileutil.py of the component Gzip Extraction Handler. The manipulation results in symlink. This vulnerability was named CVE-2026-124584. The attack needs to be approached locally. There is no available exploit. The researcher claims to have submitted a GHSA on the repository of the project.

Detailsinfo

A vulnerability classified as critical has been found in wummel patool 4.1.0. Affected is the function extract_gzip of the file patoolib/fileutil.py of the component Gzip Extraction Handler. The manipulation with an unknown input leads to a symlink vulnerability. CWE is classifying the issue as CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. This is going to have an impact on integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-124584. The exploitability is told to be easy. The attack needs to be approached locally. There are known technical details, but no exploit is available.

The researcher claims to have submitted a GHSA on the repository of the project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

wummel

Name

patool

Version

4.1.0

Website

Product: https://github.com/wummel/patool/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.4
VulDB Temp Score: 4.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Symlink
CWE: CWE-61 / CWE-59
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

11/08/2026 Advisory disclosed
11/08/2026 +0 days VulDB entry created
11/08/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-p24m-wf3f-3mf5
Status: Confirmed

CNA: VulDB
CVE: CVE-2026-124584 (🔒)

GCVE (CVE): GCVE-0-2026-124584
GCVE (VulDB): GCVE-100-433008

Entryinfo

Created: 11/08/2026 21:22
Changes: 11/08/2026 21:22 (56)
Complete: 🔍
Submitter: Vu Hoang Dat
Cache ID: 216::103

Submitinfo

Accepted

Submit #1038992: wummel patool 4.1.0 Improper Link Resolution (CWE-59) (by Vu Hoang Dat)