CVE-2025-26269: DragonflyDB Dragonfly through 1.28.2 (fixed in 1.29.0) allows authenticated users to cause a denial of service

Q: How do I fix CVE-2025-26269?

dragonfly: upgrade to 1.29.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-26269 being exploited?

CVE-2025-26269 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-2025-26269 affect?

CVE-2025-26269 affects dragonfly. Severity is low (CVSS 3.3). DragonflyDB Dragonfly through 1.28.2 (fixed in 1.29.0) allows authenticated users to cause a denial of service (daemon crash) via a Lua library command that references a large negative integer.

Q: How urgent is CVE-2025-26269?

Priority 22/100. Public exploit reference

Routine

LOW 3.3UPGRADE

CVE-2025-26269 is a low-severity flaw (CVSS 3.3) affecting dragonfly. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

DragonflyDB Dragonfly through 1.28.2 (fixed in 1.29.0) allows authenticated users to cause a denial of service (daemon crash) via a Lua library command that references a large negative integer.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	3.3 (Low)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-191
Published	2025-04-17
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dragonflydb

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

Am I affected?

Timeline

2025-04-17 18:15 UTCPublished CVE record published
2026-06-17 09:01 UTCUpdated Record last modified

dragonflydb dragonfly UPGRADE

Affected: < 1.29.0

Fixed in: 1.29.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 1.29.0 (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.

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-2025-26269?

dragonfly: upgrade to 1.29.0. Exact commands for each OS are on this page.

Is CVE-2025-26269 being exploited?

CVE-2025-26269 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-2025-26269 affect?

CVE-2025-26269 affects dragonfly. Severity is low (CVSS 3.3). DragonflyDB Dragonfly through 1.28.2 (fixed in 1.29.0) allows authenticated users to cause a denial of service (daemon crash) via a Lua library command that references a large negative integer.

How urgent is CVE-2025-26269?

Priority 22/100. Public exploit reference

Related CVEs

CVE-2026-24124 CRITICAL 9.8 UPGRADE Dragonfly is an open source P2P-based file distribution and image acceleration system
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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