CVE-2026-12198

HIGH 7.3

Microweber API Endpoint thumbnail_img userfiles_path path traversal

CVSS Score

7.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-22
Vendor	n/a
Product	microweber
Published	Jun 15, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

n/a / Microweber

2.0.0 2.0.1 2.0.2 2.0.3 2.0.4 2.0.5 2.0.6 2.0.7 2.0.8 2.0.9 2.0.10 2.0.11 2.0.12 2.0.13 2.0.14 2.0.15 2.0.16 2.0.17 2.0.18 2.0.19 2.0.20

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 TarryHou (VulDB User) VulDB CNA Team