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TI-2026-01905 Aliases CVE-2026-2258GHSA-8837-98gj-mqw6

aardappel lobster wfc.h WaveFunctionCollapse memory corruption

Priority MEDIUM 55CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0022 12th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
aardappellobster2025.0; 2025.1; 2025.2; 2025.3; 2025.4—No fix listedCNA
  • lobster Vendoraardappel Affected 2025.0; 2025.1; 2025.2; 2025.3; 2025.4 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:strlen:lobster:*:*:*:*:*:*:*:*up to 2025.4Vulnerableaardappel
  • cpe:2.3:a:strlen:lobster:*:*:*:*:*:*:*:* Versions up to 2025.4 Vulnerable ·aardappel

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-2258
  2. 2026-10-03 Alias added: GHSA-8837-98gj-mqw6

References

  • TI-2026-02481 aardappel lobster idents.h TypeName recursion CVSS 4.0MEDIUM 4.8
  • TI-2026-01906 aardappel lobster Parsing parser.h ParseStatements memory corruption CVSS 4.0MEDIUM 4.8

Sources