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CVE-2023-27584: Dragonfly2 vulnerable to hard coded cyptographic key

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 33.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-09-19 · updated 2026-06-17
• Weakness: CWE-321

Description

Dragonfly is an open source P2P-based file distribution and image acceleration system. It is hosted by the Cloud Native Computing Foundation (CNCF) as an Incubating Level Project. Dragonfly uses JWT to verify user. However, the secret key for JWT, "Secret Key", is hard coded, which leads to authentication bypass. An attacker can perform any action as a user with admin privileges. This issue has been addressed in release version 2.0.9. All users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected products

• dragonflyoss dragonfly: before 2.0.9 — fixed in 2.0.9

How to fix

Upgrade to a fixed version: dragonflyoss dragonfly 2.0.9. Check the vendor advisory for mitigations.

References

• https://github.com/dragonflyoss/Dragonfly2/releases/tag/v2.0.9
• https://github.com/dragonflyoss/Dragonfly2/security/advisories/GHSA-hpc8-7wpm-889w

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