CVE-2026-12198

HIGH

Microweber API Endpoint thumbnail_img userfiles_path path traversal

Title source: cna
STIX 2.1

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.

References (7)

Core 7
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-370841 | Microweber API Endpoint thumbnail_img userfiles_path path traversal
https://vuldb.com/vuln/370841
Signature, Permissions Required signature permissions-required
VDB-370841 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/370841/cti
Third Party Advisory third-party-advisory
CVE-2026-12198 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-12198
Third Party Advisory third-party-advisory
Submit #829596 | Microweber 2.0.20 Path Traversal
https://vuldb.com/submit/829596

Scores

CVSS v3 7.3
EPSS 0.0053
EPSS Percentile 40.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-22
Status published
Products (21)
None/Microweber 2.0.0
None/Microweber 2.0.1
None/Microweber 2.0.10
None/Microweber 2.0.11
None/Microweber 2.0.12
None/Microweber 2.0.13
None/Microweber 2.0.14
None/Microweber 2.0.15
None/Microweber 2.0.16
None/Microweber 2.0.17
... and 11 more
Published Jun 15, 2026
Tracked Since Jun 15, 2026