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Vulnerability · Published Jun 15, 2026 · Assigned by VulDB

CVE-2026-12198Microweber API Endpoint thumbnail_img userfiles_path path traversal

High 7.3

In plain English

A high-severity path traversal in Microweber. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.5%top 55.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistmicroweber/microweberno fix listedGHSA-vv4x-qcpq-wgrg

Affected products (as reported)

VendorProductVersions
n/a Microweber 2.0.02.0.12.0.22.0.32.0.42.0.52.0.62.0.7

Weakness: CWE-22 · 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

References