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CVE-2025-59353

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Date: September 17, 2025

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 is that the Manager’s Certificate gRPC service does not validate if the requested IP addresses “belong to” the peer requesting the certificate—that is, if the peer connects from the same IP address as the one provided in the certificate request. This vulnerability is fixed in 2.1.0.

Severity Score

Severity Score

Weakness Type (CWE)

Improper Certificate Validation

CWE-295

Missing Authorization

CWE-862

Top Fix

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Upgrade Version

Upgrade to version github.com/dragonflyoss/dragonfly - v2.1.0;d7y.io/dragonfly/v2 - v2.1.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

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