CVE-2026-86305 light0011 cms Upload.class.php upload unrestricted upload
Remote attackers can upload malicious files via the Upload class, potentially leading to code execution on the light0011 CMS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-86305?
CVE-2026-86305 is a medium-severity vulnerability in light0011 cms, published on 7 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2026-86305?
How do I fix CVE-2026-86305?
No fix has been published for CVE-2026-86305 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-86305 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-86305 exists.
Sources
Also known as GHSA-56x5-c934-mjjc.