A security flaw has been discovered in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. Affected by this issue is the function Upload::upload of the file ThinkPHP/Library/Think/Upload.class.php. Performing a manipulation results in unrestricted upload. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The project was informed of the problem early through an issue report but has not responded yet.

A security flaw has been identified in the light0011 CMS project affecting the Upload::upload function within ThinkPHP/Library/Think/Upload.class.php. The vulnerability allows unrestricted file uploads, which can be exploited remotely. A public exploit has already been released, increasing the risk of active exploitation. The affected software uses a rolling release strategy, making it impossible to specify exact affected or patched version numbers. The vendor was notified via a GitHub issue report but has not responded or issued a fix. The vulnerability is tracked as CVE-2026-86305 and is indexed on both NVD and VulDB. Due to the public availability of exploit code and lack of vendor response, the risk remains high for users of this CMS.