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CVE-2025-26319

FlowiseAI Flowise arbitrary file upload vulnerability

9.8 CriticalPublic exploit

FlowiseAI Flowise v2.2.6 was discovered to contain an arbitrary file upload vulnerability in /api/v1/attachments.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

55.9%Up 55.8 points since Mar 5, 2025
90%50%10%1%

What each source reports

CVE List Score used 9.8

FlowiseAI Flowise v2.2.6 was discovered to contain an arbitrary file upload vulnerability in /api/v1/attachments.

Record
CVE-2025-26319
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-434
Updated
2026-11-02
EUVDEUVD-2025-6168 9.8

FlowiseAI Flowise v2.2.6 was discovered to contain an arbitrary file upload vulnerability in /api/v1/attachments.

Record
EUVD-2025-6168
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-69jq-qr7w-j7qh 8.9

FlowiseAI Flowise arbitrary file upload vulnerability

FlowiseAI Flowise v2.2.6 was discovered to contain an arbitrary file upload vulnerability in /api/v1/attachments.

Record
GHSA-69jq-qr7w-j7qh
CVSS 4.0
8.9 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Weakness
CWE-434
Updated
2026-11-02
NVD 9.8

FlowiseAI Flowise v2.2.6 was discovered to contain an arbitrary file upload vulnerability in /api/v1/attachments.

Record
CVE-2025-26319
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-434
Updated
2026-11-02
OSV 9.8

FlowiseAI Flowise v2.2.6 was discovered to contain an arbitrary file upload vulnerability in /api/v1/attachments.

Record
CVE-2025-26319
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVGHSA-69jq-qr7w-j7qh 8.9

FlowiseAI Flowise arbitrary file upload vulnerability

FlowiseAI Flowise v2.2.6 was discovered to contain an arbitrary file upload vulnerability in /api/v1/attachments.

Record
GHSA-69jq-qr7w-j7qh
CVSS 4.0
8.9 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Weakness
CWE-434
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
flowise
npm
 through 2.2.6 None known

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
NucleiFlowiseAI Flowise <= 2.2.6 - Arbitrary File Upload
PoC in GitHubdorattias/CVE-2025-263192025-02-02
PoC in GitHubredpack-kr/CVE-2025-263192025-03-14

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, Nuclei, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-26319 is a critical vulnerability (CVSS 9.8) in Flowiseai Flowise, published March 4, 2025. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 55.9%, the 99th percentile. No source names a fixed version.

References

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