CVE-2026-2258 PUBLISHED

A flaw has been found in aardappel lobster up to 2025.4. Affected by this vulnerability is the function WaveFunctionCollapse in the library dev/src/lobster/wfc.h. Executing a manipulation can lead to memory corruption. The attack can only be executed locally. The exploit has been published and may be used. This patch is called c2047a33e1ac2c42ab7e8704b33f7ea518a11ffd. It is advisable to implement a patch to correct this issue.

• Oneafter (VulDB User) reporter

• VDB-345005 | aardappel lobster wfc.h WaveFunctionCollapse memory corruption
• VDB-345005 | CTI Indicators (IOB, IOC, IOA)
• Submit #753167 | aardappel lobster 2f45fe8 Return of Stack Variable Address
• https://github.com/aardappel/lobster/issues/395
• https://github.com/aardappel/lobster/issues/395#issuecomment-3849012938
• https://github.com/oneafter/0204/blob/main/lob1/repro.lobster
• https://github.com/aardappel/lobster/commit/c2047a33e1ac2c42ab7e8704b33f7ea518a11ffd
• https://github.com/aardappel/lobster/

• Memory Corruption CWE