CVE-2026-105043CWE-451

CVE-2026-105043

Low · published October 3, 2026

CVSS v3.1
3.6
EPSS
0%
Percentile
1.7
In the wild
Unconfirmed
What it is

MathWorks Simulink before R2026b, when showing a crafted .slx file, can have blocks that are never visible in the Simulink Editor but will cause code execution.

The record
Technical detail
CVSS v3.1
3.6 · LOW
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00119 · 1.7th percentile
Weakness
CWE-451 · User Interface (UI) Misrepresentation of Critical Information
Published
2026-10-03T02:16Z
References (3)
https://alexanderboll.dev/disclosures/simulink-vulnerability-concealed-blocks/ · [email protected]https://www.mathworks.com/help/simulink/release-notes.html#mw_81eb54b6-4dfa-42c1-8c3c-e998eff5a8cd · [email protected]https://www.mathworks.com/products/simulink.html · [email protected]
EPSS history
Timeline
  • 04 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 02 OCT 21:34Z
    MathWorks Simulink before R2026b, when showing a crafted .slx file, can have blocks that are never visible in the Simulink Editor but will cause code execution
    cvelistv5