# CVE-2025-26319: CVE-2025-26319

- Exploited (CISA KEV): no
- Published: 2025-03-04
- CVSS: 9.8 CRITICAL (v3.1)
- EPSS: 55.9% (99th percentile)

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

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | No public claim | — | — |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | No public claim | — | — |
| Fastly | Before feed history | — | — |
| F5 | Rule published | 2025-04-28 | 55 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### F5

- 2025-04-28 · new · rule 200007087
  > Added: signature 200007087 "Flowise Pre-Auth Arbitrary File Upload" (Path Traversal, risk High), systems: Other Web Server. References: CVE-2025-26319.
  Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog
- 2025-05-22 · new · rule 200007087
  > Added: signature 200007087 "Flowise Pre-Auth Arbitrary File Upload" (Path Traversal, risk High), systems: Other Web Server. References: CVE-2025-26319.
  Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog

## Our test (measured)

- OWASP Core Rule Set 4.25.0, paranoia level 1, anomaly threshold 5, default CRS settings: partial (2 of 3 requests blocked), template CVE-2025-26319, 2026-11-02
- OWASP Core Rule Set 4.25.0, paranoia level 2, anomaly threshold 5, default CRS settings: partial (2 of 3 requests blocked), template CVE-2025-26319, 2026-11-02

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2025-26319 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2025-26319