CVE-2026-2675: Missing Authentication for Critical Function vulnerability in RTI Connext Professional (Security Plugins) allows Fake the Source of Data.

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-17 · updated 2026-10-26
Weakness: CWE-306

Description

Missing Authentication for Critical Function vulnerability in RTI Connext Professional (Security Plugins) allows Fake the Source of Data. 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.*.

Affected products

RTI Connext Professional: from 5.3.0 before 7.7.0 — fixed in 7.7.0

How to fix

Upgrade to a fixed version: RTI Connext Professional 7.7.0. Check the vendor advisory for mitigations.

References

https://www.rti.com/vulnerabilities/#cve-2026-2675

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