CVE-2025-26319
HighExploitedPublic exploitFlowiseAI Flowise arbitrary file upload vulnerability
Published Mar 5, 2025 · Updated Oct 2, 2026 · Also known as GHSA-69jq-qr7w-j7qh
Key Facts
Patch immediately- CVE-2025-26319 is a high-severity vulnerability (CVSS 9.3 v4) affecting Flowise (Flowiseai).
- It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Mar 31, 2025. Public exploit code is available.
- EPSS estimates a 56% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v4
9.3
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
EPSS (30-day exploit likelihood)
56%
Higher than 99.0% of all scored CVEs
Exploited in the wild
Yes
2 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2025-26319 brief as a PDF
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Description
FlowiseAI Flowise v2.2.6 was discovered to contain an arbitrary file upload vulnerability in /api/v1/attachments.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Mar 31, 2025 | n/a | Not reported |
| CIRCL KEV | Mar 31, 2025 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| FlowiseFlowiseai | 2.2.6 | n/a |
Timeline
Publicly disclosed
Mar 5, 2025
Added to Industry KEV feed
Mar 31, 2025
Added to CIRCL KEV
Mar 31, 2025
Last updated
Oct 2, 2026
Weakness Type
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
- advisoryGHSA advisory
- advisoryhttps://github.com/CVEProject/cvelistV5/tree/main/cves/2025/26xxx/CVE-2025-26319.json
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2025-26319
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
FlowiseAI Flowise v2.2.6 was discovered to contain an arbitrary file upload vulnerability in /api/v1/attachments.
Affected: Flowise (Flowiseai) versions 2.2.6. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Mar 31, 2025.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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