{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-18462","assignerOrgId":"3f572a00-62e2-4423-959a-7ea25eff1638","state":"PUBLISHED","assignerShortName":"RTI","dateReserved":"2026-07-31T07:31:45.736Z","datePublished":"2026-09-22T17:50:22.282Z","dateUpdated":"2026-09-22T18:46:32.313Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","modules":["Core Libraries"],"product":"Connext Professional","packageName":"connext_professional","packageURL":"pkg:generic/connext_professional","vendor":"RTI","versions":[{"lessThan":"7.7.0.1","status":"affected","version":"7.4.0","versionType":"custom"},{"lessThan":"7.3.1.6","status":"affected","version":"7.0.0","versionType":"custom"},{"lessThan":"6.1.*","status":"affected","version":"6.1.0","versionType":"custom"}]}],"datePublic":"2026-09-15T17:47:38.370Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Integer Overflow or Wraparound, Improper Access Control vulnerability in RTI Connext Professional (Core Libraries) allows Shared Resource Manipulation.<p>This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.0.0 before 7.3.1.6, from 6.1.0 before 6.1.*.</p>"}],"value":"Integer Overflow or Wraparound, Improper Access Control vulnerability in RTI Connext Professional (Core Libraries) allows Shared Resource Manipulation. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.0.0 before 7.3.1.6, from 6.1.0 before 6.1.*."}],"impacts":[{"capecId":"CAPEC-124","descriptions":[{"lang":"en","value":"CAPEC-124 Shared Resource Manipulation"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":7.3,"baseSeverity":"HIGH","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-190","description":"CWE-190 Integer Overflow or Wraparound","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-284","description":"CWE-284 Improper Access Control","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"3f572a00-62e2-4423-959a-7ea25eff1638","shortName":"RTI","dateUpdated":"2026-09-22T17:50:22.282Z"},"references":[{"url":"https://www.rti.com/vulnerabilities/#cve-2026-18462"}],"source":{"discovery":"UNKNOWN"},"title":"Integer Overflow or Wraparound, Improper Access Control vulnerability in RTI Connext Professional (Core Libraries) allows Shared Resource Manipulation.","x_generator":{"engine":"RTI Lubna 1.18.7"},"cpeApplicability":[{"nodes":[{"operator":"OR","negated":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*","versionStartIncluding":"7.4.0","versionEndExcluding":"7.7.0.1"},{"vulnerable":true,"criteria":"cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0.0","versionEndExcluding":"7.3.1.6"},{"vulnerable":true,"criteria":"cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.0","versionEndExcluding":"6.1.*"}]}]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-22T18:46:25.315670Z","id":"CVE-2026-18462","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-22T18:46:32.313Z"}}]}}