CVE-2026-73487CWE-94code-injection

CVE-2026-73487

Critical · published August 13, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
61.2
In the wild
Unconfirmed
What it is

Flowise before 3.1.3 contains a regex-based Python code validator bypass in CSV and Airtable Agent nodes that allows unauthenticated attackers to inject malicious code via prompt injection. Attackers can exploit unblocked pandas functions like pd.read_json() to exfiltrate datasets, perform SSRF against internal services, or achieve code execution through the unauthenticated prediction API.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00961 · 61.2th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-08-13T16:17Z
Affected products (1)
ProductVersionsFixed in
flowiseai/flowise≤ 3.1.4—
References (3)
https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-w7x8-q2gp-5cgg · [email protected]https://www.vulncheck.com/advisories/flowise-before-prompt-injection-rce-via-csv-agent · [email protected]https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-w7x8-q2gp-5cgg · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 13 AUG 11:28Z
    Flowise before 3.1.3 Prompt Injection RCE via CSV Agent
    cvelistv5