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.

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)

EPSS: 0.006 (47.4th percentile) — read the EPSS interpretation.

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.

Affected products

Dify — versions 1.6.0
N/a — versions n/a

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Exploit, Issue Tracking)

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.