CVE-2025-71334: Flowise · External Control of File Name or Path
Affects FlowiseSource CVE Database V5
Public exploit available · CVSS 9.3 Critical : upgrade to 3.0.6 as a priority.
Data as of 29 Oct 2026, 20:45 UTC
Thin evidence
One scorer or none| CNA (VulnCheck) | CVSS 4.0 | 9.3 |
|---|---|---|
| CNA (VulnCheck) | CVSS 3.1 | 9.8 |
- CISA SSVC
- Exploitation
- Proof of concept is public or traded
- Automatable
- Attackers can reliably automate steps 1–4 of the kill chain
- Technical impact
- Total control over the software or total information disclosure
CISA SSVC assessment, 2026-06-26.
- Patch
- Available – fixed in 3.0.6
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 25 Jun 2026
Detectable: evidence found.
Weaponized: evidence found.
CISA SSVC: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by VulnCheck
, 5 days before disclosure
CVE published
on cve.org
, t = 0
CISA SSVC assessment
proof of concept public
, 13 hours after disclosure
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA SSVC, the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Upgrade Flowise to 3.0.6.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| FlowiseFlowise | Affected
| Fixed in
|
npmFlowisepkg:npm/FlowiseOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
Flowise before 3.0.6 contains an arbitrary file access vulnerability due to missing validation that the chatflowId and chatId parameters are UUIDs or numbers in file handling operations. By supplying a path-traversal value (e.g., '../../../../../tmp') as the chatflow id, an unauthenticated attacker can use the /api/v1/chatflows endpoint (via addBase64FilesToStorage) to write arbitrary files, and the /api/v1/get-upload-file and /api/v1/openai-assistants-file/download endpoints (via streamStorageFile) to read arbitrary files. Arbitrary file write may lead to remote code execution.
References
- github.com/FlowiseAI/Flowise/security/advisories/GHSA-q67q-549q-p849 (opens in a new tab)
- github.com/FlowiseAI/Flowise/commit/8bd3de41533de78e4ef6c980e5704a1f9cb7ae6f (opens in a new tab)
- github.com/FlowiseAI/Flowise/commit/c2b830f279e454e8b758da441016b2234f220ac7 (opens in a new tab)
- vulncheck.com/advisories/flowise-arbitrary-file-access-via-missing-chat-flow-id-validation (opens in a new tab)