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

> Unauthenticated attackers can replay or spoof deleted device IDs to bypass registration controls in BetterDesk remote desktop software.

- **Severity:** High 7.7 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 18 Aug 2026
- **Updated:** 18 Aug 2026
- **Also known as:** GHSA-3v82-3gf8-fxx8

## What is CVE-2026-50575?

CVE-2026-50575 is a high-severity authentication bypass vulnerability in UNITRONIX BetterDesk, published on 18 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official 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.

Weakness: CWE-672 (Operation on a Resource after Expiration or Release), CWE-345 (Insufficient Verification of Data Authenticity), CWE-294 (Authentication Bypass by Capture-replay)

## Which versions are affected by CVE-2026-50575?


## How do I fix CVE-2026-50575?

No fix has been published for CVE-2026-50575 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-50575 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-50575 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-50575 and fix it if it is affected.

What it is: CVE-2026-50575 is a high-severity authentication bypass vulnerability in UNITRONIX BetterDesk, published on 18 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-50575 exists.

Affected product: UNITRONIX BetterDesk. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-50575/ (Markdown: https://insights.sbomify.com/CVE-2026-50575/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-50575
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-50575
- OSV: https://osv.dev/vulnerability/CVE-2026-50575

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-50575/
Summaries are generated and may contain mistakes; the official description above is the record.