Path Traversal in Westboy Cicadascms
CVE-2026-108790
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Westboy Cicadascms — versions 2431154dac8d0735e04f1fd2a3c3556668fc8dab
Weakness classification (CWE)
References
- vuldb.com/vuln/416569 (technical-description, vdb-entry)
- vuldb.com/vuln/416569/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-108790 (third-party-advisory)
- vuldb.com/submit/959802 (third-party-advisory)
- github.com/wawyw/cve_report/blob/main/CicadasCMS_1.md (exploit)
Frequently asked questions
- What is CVE-2026-108790?
- CVE-2026-108790 is a medium-severity vulnerability in Westboy Cicadascms, classified under Path Traversal. CVSS score: 4.7/10. Published 2026-10-12.
- How severe is CVE-2026-108790?
- Medium severity. CVSS v3 base score is 4.7 out of 10.