{"id":"CVE-2026-18459","title":"Incorrect Calculation vulnerability in RTI Connext Professional (Core Libraries) allows Abuse Existing Functionality","summary":"Incorrect Calculation vulnerability in RTI Connext Professional (Core Libraries) allows Abuse Existing Functionality. 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.*,…","severity":"high","cvss":8.7,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","cwe":["CWE-682"],"vendor":"RTI","product":"connext_professional","affected":["connext_professional >= 7.4.0 < 7.7.0.1","connext_professional >= 7.0.0 < 7.3.1.6","connext_professional >= 6.1.0 < 6.1.*","connext_professional >= 6.0.0 < 6.0.*","connext_professional >= 5.3.0 < 5.3.*","connext_professional >= 5.2.0 < 5.2.*","connext_professional >= 4.1x < 5.1.*"],"published":"2026-09-22","updated":"2026-09-22","sourceUpdated":"2026-09-22T19:37:36.747","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-18459","references":[{"url":"https://www.rti.com/vulnerabilities/#cve-2026-18459","label":"3f572a00-62e2-4423-959a-7ea25eff1638"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-22T18:47:54.647084Z"},"cvssSource":"cna","ingestedAt":"2026-09-22T18:08:12.475Z","slug":"CVE-2026-18459","body":"## Overview\n\nIncorrect Calculation vulnerability in RTI Connext Professional (Core Libraries) allows Abuse Existing Functionality. 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.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 4.1x before 5.1.*.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":47.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}