Arbitrary file upload in Ajax30 Bravecms
CVE-2026-35047
Brave CMS is an open-source CMS. Prior to 2.0.6, an Unrestricted File Upload vulnerability in the CKEditor endpoint allows attackers to upload arbitrary files, including executable scripts. This may lead to Remote Code Execution (RCE) on the server, potentially resulting in full system compromise, data exfiltration, or service disruption. All users running affected versions of BraveCMS are impacted. This vulnerability is fixed in 2.0.6.
Vulnerability class: Unrestricted File Upload
EPSS: 0.006 (43.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Ajax30 Bravecms
- Ajax30 Bravecms-2.0 — versions < 2.0.6
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-35047?
- CVE-2026-35047 is a critical-severity vulnerability in Ajax30 Bravecms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-04-06.
- How severe is CVE-2026-35047?
- Critical severity. CVSS v3 base score is 9.8 out of 10.