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2.0
CVE-2026-108790: CicadasCMS Template editor allows remote file overwrite
CVE-2026-108790 · published 7 days ago
Summary
The backend template editor in CicadasCMS can be tricked into writing files to any location on the server. An attacker who can reach the save function could place or replace files, potentially compromising the system. Update to the latest version or apply the vendor’s patch to block this behavior.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| westboy | cicadascms | 2431154dac8d0735e04f1fd2a3c3556668fc8dab |
Original advisory text
westboy CicadasCMS Backend Template Editor save TemplateController.save path traversal
A security flaw has been discovered in westboy CicadasCMS up to 2431154dac8d0735e04f1fd2a3c3556668fc8dab. This impacts the function TemplateController.save of the file /system/cms/template/save of the component Backend Template Editor. The manipulation results in path traversal. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker partial control
Severity
2.0
Low
Type
CWE-22Path Traversal
Timeline
Published12 Oct 2026
Updated16 Oct 2026
First seen12 Oct 2026
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