SSRF in Dify

CVE-2025-56520

Dify v1.6.0 was discovered to contain a Server-Side Request Forgery (SSRF) via the component controllers.console.remote_files.RemoteFileUploadApi. A different vulnerability than CVE-2025-29720.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (51.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-56520: held from 0.007 to 0.007.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

  • Dify — versions 1.6.0

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-56520?
CVE-2025-56520 is a medium-severity vulnerability in Dify, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.3/10. Published 2025-09-30.
How severe is CVE-2025-56520?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2025-56520 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.