by Kastro
Paper/Archive/CVE-2026-3894

CVE-2026-3894

RTI Connext Professional — Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.

EPSS 0.2%CVSS 9.2
critical.is priorityof 100
30
CVSS 9.2 (CNA)9.2 / 10 × 3027.6Not in CISA KEV+300.0EPSS percentile 9.8.098 × 202.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Out-of-bounds 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 7.3.1.3, 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 5.0.0 before 5.1.*.

Affected

ProductAffectedFixed inSource
Connext Professional7.4.0 – < 7.7.07.7.0CNA
Connext Professional7.0.0 – < 7.3.1.37.3.1.3CNA
Connext Professional6.1.0 – < 6.1.*6.1.*CNA
Connext Professional6.0.0 – < 6.0.*6.0.*CNA
Connext Professional5.3.0 – < 5.3.*5.3.*CNA
Connext Professional5.2.0 – < 5.2.*5.2.*CNA
Connext Professional5.0.0 – < 5.1.*5.1.*CNA

Scores by source

RTI (CNA)9.2CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:L/SA:H
NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

refrti.com/vulnerabilities/#cve-2026-3894