CVE-2026-8753 kalcaddle Kodbox fileThumb Plugin VideoResize.class.php parseVideoInfo command injection
Remote attackers can execute arbitrary commands via the ffmpegBin argument in the Kodbox fileThumb plugin, requiring authentication.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-8753?
CVE-2026-8753 is a medium-severity command injection vulnerability in kalcaddle Kodbox, published on 17 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security vulnerability has been detected in kalcaddle Kodbox up to 1.64. This issue affects the function parseVideoInfo of the file /workspace/source-code/plugins/fileThumb/lib/VideoResize.class.php of the component fileThumb Plugin. The manipulation of the argument ffmpegBin leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-8753?
How do I fix CVE-2026-8753?
No fix has been published for CVE-2026-8753 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-8753 being exploited?
There is no known exploitation of CVE-2026-8753 in the wild and no public exploit code.
Sources
Also known as GHSA-83hf-596r-v39j.