CVE-2026-78839
23Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendepss 0.3%
from disclosure to weapon0 days
Published on NVDSep 4
1st PoCSep 2
exploitation probability
0.3%top 83% of all CVEs
observed exploitation
nono source reports it
2 public exploit(s)
An arbitrary file upload vulnerability in AppNitro MachForm v30 allows attackers to execute arbitrary code via uploading a crafted .phar file.
Affected products
n/a · n/apublic PoCs found — 2
githubgithub.com/nabeelmkhan/CVE-2026-78839★ 0cve_referencepacketstormsecurity.comunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.