{"id":"CVE-2026-2394","title":"Buffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers","summary":"Buffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.1, from 6.1.0 before 6.1.2.34, from 6.0.0 befo…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","cwe":["CWE-126","CWE-125"],"vendor":"rti","product":"connext_professional","affected":["connext_professional >= 4.3.0, <= 5.2.3","connext_professional >= 5.3.0, <= 5.3.1.45","connext_professional >= 6.0.0, <= 6.0.1.40","connext_professional >= 6.1.0, <= 6.1.2.27","connext_professional >= 7.0.0, < 7.3.1.1","connext_professional >= 7.4.0, < 7.7.0"],"patched":["connext_professional 7.7.0"],"published":"2026-04-01","updated":"2026-09-22","sourceUpdated":"2026-09-22T18:17:12.677","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-2394","references":[{"url":"https://www.rti.com/vulnerabilities/#cve-2026-2394","label":"3f572a00-62e2-4423-959a-7ea25eff1638"}],"tags":["nvd","cve.org"],"epss":0.00158,"epssPercentile":0.05364,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-04-01T14:31:58.220725Z"},"scores":{"nvd":6.5,"cna":6.3},"ingestedAt":"2026-09-22T18:08:12.484Z","slug":"CVE-2026-2394","body":"## Overview\n\nBuffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.1, from 6.1.0 before 6.1.2.34, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 4.3x before 5.1.*.\n\n## Affected\n\n- `connext_professional >= 4.3.0, <= 5.2.3`\n- `connext_professional >= 5.3.0, <= 5.3.1.45`\n- `connext_professional >= 6.0.0, <= 6.0.1.40`\n- `connext_professional >= 6.1.0, <= 6.1.2.27`\n- `connext_professional >= 7.0.0, < 7.3.1.1`\n- `connext_professional >= 7.4.0, < 7.7.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `connext_professional 7.7.0`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":209293,"id":"CVE-2026-2394","ts":1790104185667,"field":"cvss","old":"6.3","new":"6.5"}]}