CVE-2026-24124: Dragonfly is an open source P2P-based file distribution and image acceleration system

Q: How do I fix CVE-2026-24124?

dragonfly: upgrade to 2.4.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-24124 being exploited?

CVE-2026-24124 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-24124 affect?

CVE-2026-24124 affects dragonfly. Severity is critical (CVSS 9.8). Dragonfly is an open source P2P-based file distribution and image acceleration system. In versions 2.4.1-rc.0 and below, the Job API endpoints (/api/v1/jobs) lack JWT authentication middleware and RBAC authorization checks in the routing co

Q: How urgent is CVE-2026-24124?

Priority 66/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action; On your watchlist

This week

CRITICAL 9.8REMOTEWATCHLISTUPGRADE

CVE-2026-24124 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. In versions 2.4.1-rc.0 and below, the Job API endpoints (/api/v1/jobs) lack JWT authentication middleware and RBAC authorization checks in the routing configuration. This allows any unauthenticated user with access to the Manager API to view, update and delete jobs. The issue is fixed in version 2.4.1-rc.1.

Why this priority

Critical severity
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 score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-306
Published	2026-01-22
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: linuxfoundation

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

Am I affected?

Timeline

2026-01-22 23:15 UTCPublished CVE record published
2026-06-17 10:22 UTCUpdated Record last modified

linuxfoundation dragonfly UPGRADE

Affected: < 2.4.1 · 2.4.1 beta0 · 2.4.1 beta1 · 2.4.1 rc0

Fixed in: 2.4.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy dragonfly || rpm -q dragonfly || dragonfly --version

2. UPGRADE to 2.4.1 (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 · 2.4.1 · vulnerable: < 2.4.1 · source

go get d7y.io/dragonfly/v2@v2.4.1 go list -m d7y.io/dragonfly/v2

Fedora 46 · proftpd · FIXED · 1.3.9e-2.fc46 · FEDORA-2026-fcb0a25c2f · source

sudo dnf upgrade --advisory=FEDORA-2026-fcb0a25c2f

Public exploits and detection

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

Write-up: github.com/dragonflyoss/dragonfly/security/advisories/GHSA-j8hf-cp34-g4j7

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-2026-24124?

dragonfly: upgrade to 2.4.1. Exact commands for each OS are on this page.

Is CVE-2026-24124 being exploited?

CVE-2026-24124 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-2026-24124 affect?

CVE-2026-24124 affects dragonfly. Severity is critical (CVSS 9.8). Dragonfly is an open source P2P-based file distribution and image acceleration system. In versions 2.4.1-rc.0 and below, the Job API endpoints (/api/v1/jobs) lack JWT authentication middleware and RBAC authorization checks in the routing co

How urgent is CVE-2026-24124?

Priority 66/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action; On your watchlist

Related CVEs

CVE-2025-26269 LOW 3.3 UPGRADE DragonflyDB Dragonfly through 1.28.2 (fixed in 1.29.0) allows authenticated users to cause a denial of service
CVE-2025-26268 LOW 3.3 UPGRADE DragonflyDB Dragonfly before 1.27.0 allows authenticated users to cause a denial of service (daemon crash) via
CVE-2023-27584 CRITICAL 9.8 UPGRADE Dragonfly is an open source P2P-based file distribution and image acceleration system

References

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