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Vulnerability record · CVE-2026-67206 · published 30 July 2026

CVE-2026-67206: Unrestricted file upload vulnerability

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.

8.7 CVSS 4.0 High EPSS 2.1% · top 18.8% CWE-434 · Unrestricted file upload Deferred
8.7CVSS 4.0 base score
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
31 Jul 2026Last modified by NVD

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.

CVSS:4.0/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:

References

LinkTags
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

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Source: NIST National Vulnerability Database (record CVE-2026-67206), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.