Calculation Vulnerability in RTI Connext Professional Library
CVE-2026-18459

8.7HIGH

Key Information:

Vendor

Rti

Status
Connext Professional
Vendor
CVE Published:
22 September 2026

What is CVE-2026-18459?

A vulnerability in the RTI Connext Professional Core Libraries results from incorrect calculation processes, allowing attackers to exploit existing functionalities. The versions affected include several iterations of the software, ranging from 4.1x to 7.4.0, which could lead to unauthorized actions or exposure of sensitive data.

Affected Version(s)

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.*

References

https://www.rti.com/vulnerabilities/#cve-2026-18459

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.