CVE-2026-30799 RTI CVE debrief

Who should care

Defenders responsible for securing RTI Connext Professional (Security Plugins) deployments should assess their exposure and take necessary actions to prevent identity spoofing. This includes verifying the authenticity of critical functions, checking for and applying vendor-provided patches, and monitoring system logs for potential identity spoofing attempts. Affected operators, platform administrators, vulnerability management teams, and security teams may

Why it matters

CVE-2026-30799 is a Missing Authentication for Critical Function vulnerability in RTI Connext Professional (Security Plugins) that allows Identity Spoofing. Defenders should prioritize verifying the authenticity of critical functions, checking for and applying vendor-provided patches, and monitoring system logs.

• Defenders need to verify the authenticity of critical functions to prevent identity spoofing
• Affected versions require patching or updating to prevent exploitation
• System logs should be monitored for potential identity spoofing attempts

Technical summary

The vulnerability is caused by a missing authentication mechanism for critical functions in RTI Connext Professional (Security Plugins), which allows an attacker to spoof identities. This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.6, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*. The vulnerability allows an attacker to spoof identities, potentially leading to unauthorized access or malicious activities. Defenders should prioritize verifying the authenticity of critical functions, checking for and applying vendor-provided patches, and monitoring system logs.

Defensive priority

Defenders should prioritize verifying the authenticity of critical functions in RTI Connext Professional (Security Plugins) to prevent identity spoofing.

Recommended defensive actions

• Verify the authenticity of critical functions in RTI Connext Professional (Security Plugins) to prevent identity spoofing
• Check for and apply vendor-provided patches or updates to affected versions
• Monitor system logs for potential identity spoofing attempts
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD vulnerability detail page provide information on the vulnerability, including its description, CVSS score, and affected versions. The NVD entry is currently Modified. The CVE Program record was published on 2026-06-17T18:17:43.007Z and has not been modified since then. However, defenders should verify the authenticity of critical functions, check for and apply vendor-provided patches, and monitor system logs for potential identity spoofing attempts.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.