Improper input validation in Flowiseai Flowise
CVE-2026-91932
Flowise before 3.1.4 contains a validation bypass vulnerability in MCP server configuration allowing authenticated attackers remote code execution through an unvalidated cwd parameter. Attackers can bypass path validation using clean filenames in the args array while controlling the working directory to execute malicious code.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (54.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/FlowiseAI/Flowise/security/advisories/GHSA-x7x8-95gh-42xm (vendor-advisory)
- www.vulncheck.com/advisories/flowise-before-3.1.4-remote-code-execution-via-cwd… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-91932?
- CVE-2026-91932 is a high-severity vulnerability in Flowiseai Flowise, classified under Improper Input Validation. CVSS score: 8.5/10. Published 2026-09-15.
- How severe is CVE-2026-91932?
- High severity. CVSS v3 base score is 8.5 out of 10.