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High, CVSS 8.9amended

FlowiseAI Flowise arbitrary file upload vulnerability

CVE-2025-26319GHSA-69jq-qr7w-j7qh

What to do

Vendor response not established. Follow the primary source's mitigation guidance and check back for a fix.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • npm flowise

    Affected
    <= 2.2.6
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS 4.0
8.9 · CVSS: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 · score source
EPSS
  • CVE-2025-26319: 55.87% estimated exploitation activity in the next 30 days; percentile 99.05 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

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

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 3 · amended ·

    Amended from ghsa record GHSA-69jq-qr7w-j7qh

  2. Revision 2 · amended ·

    Reviewed OSV alias/range/CVSS4 correction; package source scopes and original publication preserved. No customer finding resolved.

  3. Revision 1 · created ·

    Published from osv record GHSA-69jq-qr7w-j7qh

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2025-26319

Advisory: FlowiseAI Flowise arbitrary file upload vulnerability
IDs: CVE-2025-26319, GHSA-69jq-qr7w-j7qh
Record: https://patchnext.com/advisories/cve-2025-26319 (revision 3, source checked 26 Oct 2026, 12:36 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 8.9)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor response not established. A vendor fix does not mean a deployment is fixed.

## Affected components
- npm flowise: affected <= 2.2.6

## Suggested inspection (read-only)
- `npm ls flowise --all`: lists every installed copy and version, including transitive ones. Run in the project root after `npm ci`.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on flowise.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://osv.dev/vulnerability/GHSA-69jq-qr7w-j7qh (OSV record GHSA-69jq-qr7w-j7qh lists affected ranges: npm flowise >=0 <=2.2.6)
- Verified: https://github.com/advisories/GHSA-69jq-qr7w-j7qh (GitHub-reviewed advisory GHSA-69jq-qr7w-j7qh lists affected ranges: npm flowise >=0 <=2.2.6)

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