8.8
HIGH CVSS 3.1
CVE-2026-67206
Wolf CMS 0.8.3.1 Authenticated RCE via FileManagerController File Upload
Description

Wolf CMS through 0.8.3.1 contains a remote code execution vulnerability in FileManagerController that allows authenticated attackers to create arbitrary PHP files by exploiting missing file extension validation in the create_file() and save() functions. Attackers with the file_manager_mkfile capability can write malicious PHP content into the web-accessible FILES_DIR directory and trigger execution by requesting the file over HTTP.

INFO

Published Date :

July 30, 2026, 8:18 p.m.

Last Modified :

July 30, 2026, 8:27 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-67206 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH MITRE-CVE
CVSS 4.0 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 HIGH [email protected]
Solution
Update Wolf CMS to patch file extension validation issues in the file manager.
  • Update Wolf CMS to a non-vulnerable version.
  • Restrict file_manager_mkfile capability to trusted users.
  • Review and sanitize all user-supplied file content.
  • Ensure proper file extension validation is implemented.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-67206.

URL Resource
https://github.com/Caycon/cve-advisories/blob/main/2026/WolfCms/CVE-2026-67206.md
https://www.vulncheck.com/advisories/wolf-cms-authenticated-rce-via-filemanagercontroller-file-upload
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-67206 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-67206 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-67206 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-67206 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jul. 30, 2026

    Action Type Old Value New Value
    Added Affected [{'repo': 'https://github.com/wolfcms/wolfcms', 'vendor': 'wolfcms', 'product': 'wolfcms', 'versions': [{'status': 'affected', 'version': '0', 'versionType': 'git', 'lessThanOrEqual': '0.8.3.1'}], 'packageURL': 'pkg:github/somta/Juggle', 'defaultStatus': 'affected'}]
    Added Tag unsupported-when-assigned
    Added Description Wolf CMS through 0.8.3.1 contains a remote code execution vulnerability in FileManagerController that allows authenticated attackers to create arbitrary PHP files by exploiting missing file extension validation in the create_file() and save() functions. Attackers with the file_manager_mkfile capability can write malicious PHP content into the web-accessible FILES_DIR directory and trigger execution by requesting the file over HTTP.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-434
    Added Reference https://github.com/Caycon/cve-advisories/blob/main/2026/WolfCms/CVE-2026-67206.md
    Added Reference https://www.vulncheck.com/advisories/wolf-cms-authenticated-rce-via-filemanagercontroller-file-upload
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.