Brave CMS has Unrestricted File Upload in BraveCMS via CKEditor Endpoint
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA BraveCMS-2.0 (Ajax30) Fixed in 2.0.6
Timeline
- 2026-10-02 Threatist record created from CVE-2026-35047
- 2026-10-25 EPSS moved to the below the 50th percentile
References
More Ajax30 Bravecms vulnerabilities
- TI-2026-27336 Missing authorization privilege escalation in Ajax30 BraveCMS-2.0 CVSS 3.1HIGH 8.8
- TI-2026-27318 Brave CMS Sffected by Unrestricted File Upload via CKEditor Endpoint CVSS 3.1HIGH 8.8
- TI-2026-27337 Brave CMS has an Insecure Direct Object Reference in Article Image Deletion CVSS 3.1HIGH 7.1
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences