RCE in Thedaylightstudio Fuel Cms
CVE-2026-30461
Daylight Studio FuelCMS v1.5.2 was discovered to contain an authenticated remote code execution (RCE) vulnerability via the /controllers/Installer.php and the function add_git_submodule.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.
EPSS exploit prediction
EPSS: 0.007 (52.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.007 · change: +0.002
Affected products
- Thedaylightstudio Fuel Cms — versions 1.5.2
Weakness classification (CWE)
References
- daylight.com (Not Applicable)
- fuelcms.com (Product)
- github.com/daylightstudio/FUEL-CMS/blob/master/fuel/modules/fuel/controllers/In… (Product)
- pentest-tools.com/PTT-2025-028-Authenticated-RCE-via-Git-Submodules.pdf (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-30461?
- CVE-2026-30461 is a high-severity vulnerability in Thedaylightstudio Fuel Cms, classified under Command Injection. CVSS score: 8.3/10. Published 2026-04-15.
- How severe is CVE-2026-30461?
- High severity. CVSS v3 base score is 8.3 out of 10.