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CVE-2026-12198

7.3 · HIGH

A weakness has been identified in Microweber up to 2.0.20.

Published Jun 15, 2026CWE-22EPSS 0.53%

Overview

CVE-2026-12198 is a high-severity vulnerability. It was published on June 15, 2026 and has a CVSS 3.1 base score of 7.3 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/microweber/microweber/GitHubgithub.com/microweber/microweber/issues/1172GitHubgithub.com/whuHouYF/microweber-vuldb-disclosure-2026/blob/991630c494a99c70a96e456992a04de2ecb5a1e1/reports/microweber-path-traversal.mdRefvuldb.com/cve/CVE-2026-12198Refvuldb.com/submit/829596Refvuldb.com/vuln/370841Refvuldb.com/vuln/370841/cti

How CyberStrike helps

Frequently asked questions

What is CVE-2026-12198?

CVE-2026-12198 is a high-severity vulnerability. It was published on June 15, 2026 and has a CVSS 3.1 base score of 7.3 (HIGH).

How severe is CVE-2026-12198?

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-12198?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-12198?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-12198 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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