CVE-2026-2258
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. Limited direct impact.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.2% in the next 30 days (EPSS).
- Severity: 1.9 LOW (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-119 · Buffer errors
- Record status
- Analyzed
Affected
- Strlen Lobster ≤ 2025.4
Attack profile CVSS 4.0 · 1.9
- Attack vector
- Local
- Complexity
- Low
- Attack requirements
- None
- Privileges needed
- Low
- User interaction
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Raw vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-2258.md and follow it. Check whether this project is affected by CVE-2026-2258. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/aardappel/lobster/commit/c2047a33e1ac2c42ab7e8704b33f7ea518a11ffd
- https://github.com/aardappel/lobster/issues/395
- https://github.com/aardappel/lobster/issues/395#issuecomment-3849012938
References
- https://github.com/aardappel/lobster/
- https://github.com/aardappel/lobster/commit/c2047a33e1ac2c42ab7e8704b33f7ea518a11ffd
- 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://vuldb.com/?ctiid.345005
- https://vuldb.com/?id.345005
- https://vuldb.com/?submit.753167