CVE-2026-108790
4.7MediumPublished 12 Oct 2026 · NVD status: Deferred · AI triage by gemini-3.8-flash
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
- Impact
- Limited impact
- Weakness
- CWE-22
Impact
Authenticated administrators can read, modify, or corrupt files outside the intended template directory via path traversal. An attacker needs high-privilege access to the backend admin panel.
Root cause
The TemplateController.save endpoint at /system/cms/template/save fails to sanitize file paths before writing templates.
Affected systems
westboy CicadasCMS up to commit 2431154dac8d0735e04f1fd2a3c3556668fc8dab
CVSS v3.1 · CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Fix & remediation
No official patch exists because the vendor did not respond. Restrict or block access to the /system/cms/template/save endpoint at the reverse proxy or web application firewall, and limit administrative access to trusted networks.
AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD description
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.