CVE-2026-12198

Microweber API Endpoint thumbnail_img userfiles_path path traversal

State: Published
Severity: 6.9 Medium
Published: Jun 15, 2026
Updated: Jun 15, 2026
Reserved: Jun 14, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	7.3 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R	VulDB
3.0	7.3 High	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R	VulDB
2.0	7.5 High	AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-22 Path Traversal

Affected Products

Product	Versions
Microwebern/a	2.0.0Affected 2.0.1Affected 2.0.2Affected 2.0.3Affected 2.0.4Affected 2.0.5Affected 2.0.6Affected 2.0.7Affected 2.0.8Affected 2.0.9Affected 2.0.10Affected 2.0.11Affected 2.0.12Affected 2.0.13Affected 2.0.14Affected 2.0.15Affected 2.0.16Affected 2.0.17Affected 2.0.18Affected 2.0.19Affected 2.0.20Affected

References

VDB-370841 | Microweber API Endpoint thumbnail_img userfiles_path path traversalvdb-entrytechnical-description
VDB-370841 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
CVE-2026-12198 | CVE Analysis and Reportthird-party-advisory
Submit #829596 | Microweber 2.0.20 Path Traversalthird-party-advisory
https://github.com/microweber/microweber/issues/1172issue-tracking
https://github.com/whuHouYF/microweber-vuldb-disclosure-2026/blob/991630c494a99c70a96e456992a04de2ecb5a1e1/reports/microweber-path-traversal.mdexploit
https://github.com/microweber/microweber/product

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