Path Traversal in Microweber

CVE-2026-12198

A weakness has been identified in Microweber up to 2.0.20. This affects the function userfiles_path of the file /api_nosession/thumbnail_img of the component API Endpoint. Executing a manipulation of the argument cache_path_relative can lead to path traversal. It is possible to launch 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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.005 (43.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

  • N/a Microweber — versions 2.0.0, 2.0.1, 2.0.2

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-12198?
CVE-2026-12198 is a high-severity vulnerability in Microweber, classified under Path Traversal. CVSS score: 7.3/10. Published 2026-06-15.
How severe is CVE-2026-12198?
High severity. CVSS v3 base score is 7.3 out of 10.