Vulnerability · Published Sep 7, 2026 · Assigned by VulDB
CVE-2026-86240liufee FeehiCMS UEditor Uploader.php catchImage server-side request forgery
Medium 4.7
In plain English
A medium-severity server-side request forgery in FeehiCMS from liufee. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).
Official description
A security flaw has been discovered in liufee FeehiCMS up to 2.1.1. This affects the function catchImage of the file backend/widgets/ueditor/Uploader.php of the component UEditor. The manipulation of the argument source[] results in server-side request forgery. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Affected products (as reported)
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-399397 | liufee FeehiCMS UEditor Uploader.php catchImage server-side request forgery vdb-entry, technical-description
- VDB-399397 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-86240 | CVE Analysis and Report third-party-advisory
- Submit #901834 | liufee feehi cms 2.1.1 SSRF third-party-advisory
- https://github.com/liufee/cms/issues/95 issue-tracking
- https://github.com/yang5ynag/cve/blob/main/FEHI-002-UEditor-catchImage-SSRF.md exploit