How severe is CVE-2026-30799?

CVE-2026-30799 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2026-30799 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-30799?

CVE-2026-30799 affects Rti Connext Professional. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-30799?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-30799 have an EU (EUVD) identifier?

Yes. CVE-2026-30799 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37754.

When was CVE-2026-30799 published?

CVE-2026-30799 was published on 2026-06-17 and last updated on 2026-07-08.

CVE-2026-30799

CVE-2026-30799 is a high-severity vulnerability in Rti Connext Professional with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v4: 6.1
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-37754
Weakness: CWE-306
Affected product: Rti Connext Professional
Published: 2026-06-17
Last modified: 2026-07-08

Description

Missing Authentication for Critical Function vulnerability in RTI Connext Professional (Security Plugins) allows Identity Spoofing.This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.*, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*.

Frequently asked questions

What is CVE-2026-30799?: Missing Authentication for Critical Function vulnerability in RTI Connext Professional (Security Plugins) allows Identity Spoofing.This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.*, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*.
How severe is CVE-2026-30799?: CVE-2026-30799 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2026-30799 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-30799?: CVE-2026-30799 affects Rti Connext Professional. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-30799?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-30799 have an EU (EUVD) identifier?: Yes. CVE-2026-30799 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37754.
When was CVE-2026-30799 published?: CVE-2026-30799 was published on 2026-06-17 and last updated on 2026-07-08.

References

https://www.rti.com/vulnerabilities/#cve-2026-30799

Affected products (1)

cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*

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