{"id":"CVE-2026-105043","state":"PUBLISHED","title":"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.","description":"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.","publishedAt":"2026-10-02T21:34:14.561Z","updatedAt":"2026-10-05T16:13:00.917Z","severity":{"score":3.6,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","source":"mitre"},"assigner":"mitre","products":["MathWorks Simulink"],"affected":[{"vendor":"MathWorks","product":"Simulink","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"R2026b","versionType":"custom"}],"modules":["MATLAB Function block; Simulink Editor block geometry rendering (block Position / ShowName)"]}],"references":["https://www.mathworks.com/products/simulink.html","https://alexanderboll.dev/disclosures/simulink-vulnerability-concealed-blocks/","https://www.mathworks.com/help/simulink/release-notes.html#mw_81eb54b6-4dfa-42c1-8c3c-e998eff5a8cd"],"weaknesses":["CWE-451"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/105xxx/CVE-2026-105043.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-105043","state":"PUBLISHED","datePublished":"2026-10-02T21:34:14.561Z","dateUpdated":"2026-10-05T16:13:00.917Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-10-02T21:34:13.754Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"MathWorks","product":"Simulink","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"R2026b","versionType":"custom"}],"modules":["MATLAB Function block; Simulink Editor block geometry rendering (block Position / ShowName)"]}],"references":[{"url":"https://www.mathworks.com/products/simulink.html"},{"url":"https://alexanderboll.dev/disclosures/simulink-vulnerability-concealed-blocks/"},{"url":"https://www.mathworks.com/help/simulink/release-notes.html#mw_81eb54b6-4dfa-42c1-8c3c-e998eff5a8cd"}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":3.6,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-451","description":"CWE-451 User Interface (UI) Misrepresentation of Critical Information","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2026-10-02T21:34:14.561Z"},"x_generator":{"engine":"CVE-Request-form 0.0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-05T16:12:46.354621Z","id":"CVE-2026-105043","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-05T16:13:00.917Z"}}]}}}