CVE-2026-24794 Chunk Unloading Security Vulnerability in CardboardPowered/cardboard
A memory buffer overflow in the CardboardPowered cardboard server allows attackers to execute arbitrary code or cause denial of service.
- 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-2026-24794?
CVE-2026-24794 is a critical memory corruption vulnerability in CardboardPowered cardboard, published on 27 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in CardboardPowered cardboard (src/main/java/org/cardboardpowered/impl/world modules). This vulnerability is associated with program files WorldImpl.Java.
This issue affects cardboard: before 1.21.4.
Weakness: CWE-119
Which versions are affected by CVE-2026-24794?
How do I fix CVE-2026-24794?
No fix has been published for CVE-2026-24794 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-24794 being exploited?
There is no known exploitation of CVE-2026-24794 in the wild and no public exploit code.
Sources
Also known as GHSA-mr52-gcmh-9959.