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CVE-2023-27584: Dragonfly is an open source P2P-based file distribution and image acceleration system

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CRITICAL 9.8REMOTEWATCHLISTUPGRADE

CVE-2023-27584 is a critical-severity flaw (CVSS 9.8) affecting dragonfly. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 a

Why this priority

  • Critical severity
  • EPSS top 2%: very likely to be exploited
  • Public exploit reference
  • CISA SSVC: automatable with total technical impact
  • Remotely exploitable, no login, no user action
  • On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score9.8 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance33.9% (top 2%)
CISA exploited listNo
WeaknessCWE-321, CWE-798
Published2024-09-19
Last modified2026-06-17
Publisher (CNA): GitHub, Inc. · Vendor: linuxfoundation

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

linuxfoundation dragonfly UPGRADE
Affected: < 2.0.9
Fixed in: 2.0.9
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy dragonfly || rpm -q dragonfly || dragonfly --version
2. UPGRADE to 2.0.9 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade dragonfly
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade dragonfly
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Go · d7y.io/dragonfly/v2 · FIXED · 2.1.0-beta.1 · vulnerable: >= 2.1.0-alpha.0, < 2.1.0-beta.1 · source
go get d7y.io/dragonfly/v2@v2.1.0-beta.1 go list -m d7y.io/dragonfly/v2
Fedora ELN · gram_grep · FIXED · 0.10.4-1.eln159 · FEDORA-2026-0808475f2a · source
sudo dnf upgrade --advisory=FEDORA-2026-0808475f2a
Fedora 46 · wesnoth · FIXED · 1.19.29-1.fc46 · FEDORA-2026-58f458e24e · source
sudo dnf upgrade --advisory=FEDORA-2026-58f458e24e

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-27584?

dragonfly: upgrade to 2.0.9. Exact commands for each OS are on this page.

Is CVE-2023-27584 being exploited?

CVE-2023-27584 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-27584 affect?

CVE-2023-27584 affects dragonfly. Severity is critical (CVSS 9.8). 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 f

How urgent is CVE-2023-27584?

Priority 77/100. Critical severity; EPSS top 2%: very likely to be exploited; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action; On your watchlist

Related CVEs

References

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