Vulnerability · Published Apr 1, 2026 · Assigned by RTI
CVE-2026-2394Buffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.
Medium 6.3
In plain English
A medium-severity security flaw in Connext Professional from RTI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Severity (CVSS 4.0)6.3Medium
Exploit odds (30 days)0.2%top 94.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 before 6.0.*, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 4.3x before 5.1.*.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| RTI | Connext Professional | 7.4.0 – before 7.7.07.0.0 – before 7.3.1.16.1.0 – before 6.1.2.346.0.0 – before 6.0.*5.3.0 – before 5.3.*5.2.0 – before 5.2.*4.3x – before 5.1.* |
Weakness: CWE-126 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N