What is CVE-2025-26269?

CVE-2025-26269 is a low-severity vulnerability in Dragonflydb Dragonfly, classified under Integer Underflow. CVSS score: 3.3/10. Published 2025-04-17.

How severe is CVE-2025-26269?

Low severity. CVSS v3 base score is 3.3 out of 10.

Integer overflow in Dragonflydb Dragonfly

CVE-2025-26269

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.

Published 2025-04-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.003 (20.4th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Dragonflydb Dragonfly — versions 0

Weakness classification (CWE)

CWE-191 — Integer Underflow

References

github.com/dragonflydb/dragonfly/issues/4468 (Exploit, Patch, Issue Tracking)
github.com/dragonflydb/dragonfly/commit/4612aec9a78e3f604e6fb19bee51acde89723308 (Patch)
gist.github.com/ankki-zsyang/d8215cf6e868d07546eaa5346a884ebd (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-26269?: CVE-2025-26269 is a low-severity vulnerability in Dragonflydb Dragonfly, classified under Integer Underflow. CVSS score: 3.3/10. Published 2025-04-17.
How severe is CVE-2025-26269?: Low severity. CVSS v3 base score is 3.3 out of 10.