Memory Corruption Flaw in aardappel lobster Library Affects Local Execution
CVE-2026-2258

4.8MEDIUM

Key Information:

Vendor

Aardappel

Status
Lobster
Vendor
CVE Published:
10 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2258?

A memory corruption vulnerability exists in the aardappel lobster library, affecting versions up to 2025.4. The issue lies within the function WaveFunctionCollapse located in dev/src/lobster/wfc.h. This vulnerability can only be exploited locally, allowing an attacker to manipulate the function and cause unintended behavior, potentially compromising system integrity. A patch has been made available to address this security concern, and users are strongly encouraged to implement it as soon as possible to ensure protection against potential exploits.

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Affected Version(s)

lobster 2025.0

lobster 2025.1

lobster 2025.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-2258 - Proof of Concept

References

https://vuldb.com/?id.345005
vdb-entrytechnical-description
https://vuldb.com/?ctiid.345005
signaturepermissions-required
https://vuldb.com/?submit.753167
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Oneafter (VulDB User)
JSON
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