RCE in Kalcaddle Kodbox
CVE-2026-8753
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.
EPSS: 0.012 (66.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Kalcaddle Kodbox — versions 1.0, 1.1, 1.2
Weakness classification (CWE)
References
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (exploit)
Frequently asked questions
- What is CVE-2026-8753?
- CVE-2026-8753 is a medium-severity vulnerability in Kalcaddle Kodbox, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-05-17.
- How severe is CVE-2026-8753?
- Medium severity. CVSS v3 base score is 6.3 out of 10.