CVE-2022-51008 PocketMine-MP before 4.12.3 Denial of Service via Unauthenticated Sessions
Attackers can exhaust player slots by creating unauthenticated sessions, preventing legitimate users from joining the Minecraft server.
- 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-2022-51008?
CVE-2022-51008 is a medium-severity denial of service vulnerability in pmmp PocketMine-MP, published on 6 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
PocketMine-MP before 4.12.3 fails to limit unauthenticated sessions, allowing attackers to exhaust player slots by creating sessions without sending LoginPacket. Attackers can flood the server with unauthenticated connections that occupy max-player slots, preventing legitimate players from joining.
Weakness: CWE-770
Which versions are affected by CVE-2022-51008?
How do I fix CVE-2022-51008?
No fix has been published for CVE-2022-51008 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-51008 being exploited?
There is no known exploitation of CVE-2022-51008 in the wild and no public exploit code.
Sources
Also known as GHSA-474q-9hgp-hcvx, GHSA-7pwm-93wh-wvjw.