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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00525.

Exploitation poc

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a Microweber affected
Version Status Constraints
2.0.0 affected —
2.0.1 affected —
2.0.2 affected —
2.0.3 affected —
2.0.4 affected —
2.0.5 affected —
2.0.6 affected —
2.0.7 affected —
2.0.8 affected —
2.0.9 affected —
2.0.10 affected —
2.0.11 affected —
2.0.12 affected —
2.0.13 affected —
2.0.14 affected —
2.0.15 affected —
2.0.16 affected —
2.0.17 affected —
2.0.18 affected —
2.0.19 affected —
2.0.20 affected —

No data.

No data.

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Vendors Products
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Project Subscriptions

Vendors Products
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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/microweber/microweber/ cve-icon cve-icon
https://github.com/microweber/microweber/issues/1172 cve-icon cve-icon
https://github.com/whuHouYF/microweber-vuldb-disclosure-2026/blob/991630c494a99c70a96e456992a04de2ecb5a1e1/reports/microweber-path-traversal.md cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-12198 cve-icon cve-icon
https://vuldb.com/submit/829596 cve-icon cve-icon
https://vuldb.com/vuln/370841 cve-icon cve-icon
https://vuldb.com/vuln/370841/cti cve-icon cve-icon
History

Mon, 15 Jun 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 15 Jun 2026 00:15:00 +0000

Type Values Removed Values Added
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.
Title Microweber API Endpoint thumbnail_img userfiles_path path traversal
First Time appeared Microweber
Microweber microweber
Weaknesses CWE-22
CPEs cpe:2.3:a:microweber:microweber:*:*:*:*:*:*:*:*
Vendors & Products Microweber
Microweber microweber
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 7.3, 'vector': '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'}

cvssV3_1

{'score': 7.3, 'vector': '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'}

cvssV4_0

{'score': 6.9, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-06-15T10:36:27.535Z

Reserved: 2026-06-14T07:10:21.029Z

Link: CVE-2026-12198

cve-icon Vulnrichment

Updated: 2026-06-15T10:36:21.825Z

cve-icon NVD

Status : Deferred

Published: 2026-06-15T00:16:43.803

Modified: 2026-06-15T20:42:32.707

Link: CVE-2026-12198

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-15T02:30:26Z

Weaknesses