CVE-2026-108791: Path Traversal (CVSS 4.3)

Description

A weakness has been identified in westboy CicadasCMS up to 2431154dac8d0735e04f1fd2a3c3556668fc8dab. Affected is the function TemplateController.input of the file /system/cms/template/input of the component Template Management. This manipulation of the argument filePath causes path traversal. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS — Exploit Prediction

0.0037

Probability of exploitation

0.29%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-22 Path Traversal

References

Other References

https://github.com/wawyw/cve_report/blob/main/CicadasCMS_2.md https://vuldb.com/cve/CVE-2026-108791 https://vuldb.com/submit/959848 https://vuldb.com/vuln/416570 https://vuldb.com/vuln/416570/cti

Frequently Asked Questions

What is CVE-2026-108791? +

A weakness has been identified in westboy CicadasCMS up to 2431154dac8d0735e04f1fd2a3c3556668fc8dab. Affected is the function TemplateController.input of the file /system/cms/template/input of the component Template Management. This manipulation of the argument filePath causes path traversal. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-108791? +

CVE-2026-108791 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0037, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-108791? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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