Vulnerability · Published Jan 27, 2026 · Assigned by GovTech CSG
CVE-2026-24794Chunk Unloading Security Vulnerability in CardboardPowered/cardboard
Critical 9.2
In plain English
A critical-severity memory corruption in cardboard from CardboardPowered. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).
Severity (CVSS 4.0)9.2Critical
Exploit odds (30 days)0.3%top 77.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| CardboardPowered | cardboard | 0 – before 1.21.4 |
Weakness: CWE-119 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/AU:Y/R:A/V:C/RE:M/U:Red