CVE-2026-41265

Description

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 Airtable_Agents class. The issue results from the lack of proper sandboxing when evaluating an LLM generated python script. Using prompt injection techniques, an unauthenticated attacker with the ability to send prompts to a chatflow using the Airtable 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 v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0027

Probability of exploitation

0.50%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-77 CWE-77

Affected Products

Vendor	Product	Versions
flowiseai	flowise	< 3.1.0

References

Advisories & Patches

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-v38x-c887-992f https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-v38x-c887-992f

Exploits

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-v38x-c887-992f https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-v38x-c887-992f

Frequently Asked Questions

What is CVE-2026-41265? +

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 Airtable_Agents class. The issue results from the lack of proper sandboxing when evaluating an LLM generated python script. Using prompt injection techniques, an unauthenticated attacker with the ability to send prompts to a chatflow using the Airtable 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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-41265? +

CVE-2026-41265 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0027, placing it in the 1th percentile for exploitation probability.

What products are affected by CVE-2026-41265? +

CVE-2026-41265 affects products from flowiseai, specifically: flowise. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-41265? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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