Vulnerability details

CVE-2026-36669

CVSS 3.1
9.8Critical

Official description

An unauthenticated arbitrary file upload vulnerability in ck_upload_handler.php in Feng Office 3.11.13.11 allows remote attackers to upload malicious files (such as .html) to the web-accessible /tmp/ directory.

CVSS scores

ScoreVersionSourceVector
9.8Critical 3.1 CISA ADP / Vulnrichment (CISA-ADP) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
No product information recorded.

References and advisories

2
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Details

Published
2026-07-17
Last updated
2026-07-20
State
Published
Assigner (CNA)
mitre

Exploit prediction (EPSS)

0.66%
Probability of exploitation in 30 days
51.8%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
Proof of concept
Technical impact
Total

Weaknesses (CWE)

  • CWE-434
    Unrestricted Upload of File with Dangerous Type