CVE-2026-111324 rustdesk-api through 2.7 Authorization Bypass via POST /api/sysinfo
Unauthenticated attackers can overwrite peer records and rebind devices to their accounts by exploiting missing verification in the sysinfo endpoint.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-111324?
CVE-2026-111324 is a medium-severity authentication bypass vulnerability in lejianwen rustdesk-api, published on 15 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
rustdesk-api through 2.7 contains an authorization bypass vulnerability that allows unauthenticated attackers to overwrite existing peer records by supplying only a target device ID to POST /api/sysinfo. Attackers can overwrite hostname, username, OS and uuid without uuid verification, then log in presenting that uuid to rebind the peer to their account.
Weakness: CWE-639
Which versions are affected by CVE-2026-111324?
How do I fix CVE-2026-111324?
No fix has been published for CVE-2026-111324 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-111324 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111324 exists.
Sources
Also known as GHSA-qvc9-rg5c-3453.