Microweber vulnerable to Path Traversal
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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | microweber/microweber | <= 2.0.20 | no fix |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-12198
- https://github.com/microweber/microweber/issues/1172
- https://github.com/microweber/microweber
- https://github.com/whuHouYF/microweber-vuldb-disclosure-2026/blob/991630c494a99c70a96e456992a04de2ecb5a1e1/reports/microweber-path-traversal.md
- https://vuldb.com/cve/CVE-2026-12198
- https://vuldb.com/submit/829596
- https://vuldb.com/vuln/370841
- https://vuldb.com/vuln/370841/cti
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L- Weakness (CWE)
CWE-22- Platform
- Composer
- Package
microweber/microweber- Disclosed
- 15.06.2026
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-vv4x-qcpq-wgrg - CC BY 4.0
Vulnerability history: microweber/microweber
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 106
- First → latest
- 10.2021 06.2026
- Without a fix
- 31
- Exploited in attacks
- 0
Severity breakdown
- High 27
- Medium 73
- Low 6
Disclosures per year
- 2021: 1
- 2022: 71
- 2023: 19
- 2024: 3
- 2025: 9
- 2026: 3
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Microweber vulnerable to Path Traversal this entry
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