How severe is CVE-2026-2394?

CVE-2026-2394 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.

Is CVE-2026-2394 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2394?

CVE-2026-2394 affects Rti Connext Professional. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2394?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-2394 have an EU (EUVD) identifier?

Yes. CVE-2026-2394 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17737.

When was CVE-2026-2394 published?

CVE-2026-2394 was published on 2026-04-01 and last updated on 2026-06-17.

CVE-2026-2394

CVE-2026-2394 is a medium-severity vulnerability in Rti Connext Professional with a CVSS 3.x base score of 6.5. 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-125.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 6.3
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-17737
Weakness: CWE-125
Affected product: Rti Connext Professional
Published: 2026-04-01
Last modified: 2026-06-17

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 4.3x before 5.2.*.

Frequently asked questions

What is CVE-2026-2394?: 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 4.3x before 5.2.*.
How severe is CVE-2026-2394?: CVE-2026-2394 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.
Is CVE-2026-2394 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2394?: CVE-2026-2394 affects Rti Connext Professional. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2394?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-2394 have an EU (EUVD) identifier?: Yes. CVE-2026-2394 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17737.
When was CVE-2026-2394 published?: CVE-2026-2394 was published on 2026-04-01 and last updated on 2026-06-17.

References

https://www.rti.com/vulnerabilities/#cve-2026-2394

Affected products (1)

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

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