CVE-2026-41264: critical vulnerability in FlowiseAI Flowise
Flowise: CSV Agent Prompt Injection Remote Code Execution Vulnerability
Published · Updated
43Vexday Risk Score
Patch soon. It has a working public exploit.
ssvc Attendcvss 9.2epss 1.2%
from disclosure to weapon0 days
Published on NVDApr 23
metasploitApr 22
exploitation probability
1.2%top 34% of all CVEs
observed exploitation
nono source reports it
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, the specific flaw exists within the run method of the CSV_Agents class. The issue results from the lack of proper sandboxing when evaluating an LLM generated python script. An attacker can leverage this vulnerability to execute code in the context of the user running the server. Using prompt injection techniques, an unauthenticated attacker with the ability to send prompts to a chatflow using the CSV Agent node may convince an LLM to respond with a malicious python script that executes attacker controlled commands on the Flowise server. This vulnerability is fixed in 3.1.0.
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
FlowiseAI · FlowiseRelated CVEs — FlowiseAI Flowise
In the same product, most dangerous first.
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