What is CVE-2025-59347?

CVE-2025-59347 is a medium-severity vulnerability in Dragonflyoss Dragonfly, classified under Improper Certificate Validation. CVSS score: 6.5/10. Published 2025-09-17.

How severe is CVE-2025-59347?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Dragonflyoss Dragonfly

CVE-2025-59347

Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.1.0, The Manager disables TLS certificate verification in HTTP clients. The clients are not configurable, so users have no way to re-enable t…

Vulnerability class: Improper Certificate Validation

EPSS: 0.002 (5.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H.

Affected products

Dragonflyoss Dragonfly — versions < 2.1.0
Linuxfoundation Dragonfly

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
security-advisories@github.com (Product, x_refsource_MISC)

Frequently asked questions

What is CVE-2025-59347?: CVE-2025-59347 is a medium-severity vulnerability in Dragonflyoss Dragonfly, classified under Improper Certificate Validation. CVSS score: 6.5/10. Published 2025-09-17.
How severe is CVE-2025-59347?: Medium severity. CVSS v3 base score is 6.5 out of 10.