CVE-2022-39036: FLOWRING Agentflow BPM - Arbitrary File Upload

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-11-10 · updated 2026-06-17
Weakness: CWE-434

Description

The file upload function of Agentflow BPM has insufficient filtering for special characters in URLs. An unauthenticated remote attacker can exploit this vulnerability to upload arbitrary file and execute arbitrary code to manipulate system or disrupt service.

Affected products

FLOWRING Agentflow BPM: 4.0.0.1183.552

References

https://www.flowring.com/2022/09/19/%e7%94%a2%e5%93%81%e6%9b%b4%e6%96%b0agentflow-v4-0%e3%80%81v3-7%e5%a4%be%e6%aa%94%e5%8a%9f%e8%83%bd%e8%b3%87%e5%ae%89%e4%bf%ae%e6%ad%a3/
https://www.twcert.org.tw/tw/cp-132-6682-21207-1.html
https://www.flowring.com/2022/09/19/%e7%94%a2%e5%93%81%e6%9b%b4%e6%96%b0agentflow-v4-0%e3%80%81v3-7%e5%a4%be%e6%aa%94%e5%8a%9f%e8%83%bd%e8%b3%87%e5%ae%89%e4%bf%ae%e6%ad%a3/
https://www.twcert.org.tw/tw/cp-132-6682-21207-1.html

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