CVE-2026-78839
High
Description
An arbitrary file upload vulnerability in AppNitro MachForm v30 allows attackers to execute arbitrary code via uploading a crafted .phar file.
SeverityHigh
CVSS8.1
Exploit probability46. percentile0.6%
ProductMachForm
PublishedSep 4, 2026
First seenSep 4, 2026
Weakness typeCWE-434Unrestricted upload of dangerous file type
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| AppNitro MachForm | 30 | — |
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