Arbitrary file upload in Wolfcms
CVE-2026-67206
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.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.021 (82.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Wolfcms — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- Researcher Disclosure (technical-description, exploit)
- www.vulncheck.com/advisories/wolf-cms-authenticated-rce-via-filemanagercontroll… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-67206?
- CVE-2026-67206 is a high-severity vulnerability in Wolfcms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-07-30.
- How severe is CVE-2026-67206?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2026-67206 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.