What is CVE-2025-59353?

CVE-2025-59353 is a high-severity vulnerability in Dragonflyoss Dragonfly, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2025-09-17.

How severe is CVE-2025-59353?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Dragonflyoss Dragonfly

CVE-2025-59353

Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.1.0, a peer can obtain a valid TLS certificate for arbitrary IP addresses, effectively rendering the mTLS authentication useless. The issue i…

Vulnerability class: Improper Certificate Validation

EPSS: 0.002 (12.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Dragonflyoss Dragonfly — versions < 2.1.0
Linuxfoundation Dragonfly

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Patch)
security-advisories@github.com (Product, x_refsource_MISC)

Frequently asked questions

What is CVE-2025-59353?: CVE-2025-59353 is a high-severity vulnerability in Dragonflyoss Dragonfly, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2025-09-17.
How severe is CVE-2025-59353?: High severity. CVSS v3 base score is 7.5 out of 10.