How severe is CVE-2025-56520?

CVE-2025-56520 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-56520 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-56520?

CVE-2025-56520 affects Dify. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-56520?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-56520 have an EU (EUVD) identifier?

Yes. CVE-2025-56520 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31756.

When was CVE-2025-56520 published?

CVE-2025-56520 was published on 2025-09-30 and last updated on 2026-06-17.

CVE-2025-56520

CVE-2025-56520 is a medium-severity vulnerability in Dify with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-31756
Weakness: CWE-918
Affected product: Dify
Published: 2025-09-30
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-56520?: CVE-2025-56520 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-56520 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-56520?: CVE-2025-56520 affects Dify. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-56520?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-56520 have an EU (EUVD) identifier?: Yes. CVE-2025-56520 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31756.
When was CVE-2025-56520 published?: CVE-2025-56520 was published on 2025-09-30 and last updated on 2026-06-17.

References

https://github.com/langgenius/dify/issues/22532

Affected products (1)

cpe:2.3:a:dify:dify:1.6.0:*:*:*:*:*:*:*

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