CVE-2026-2394 Buffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.
A buffer over-read in RTI Connext Professional Core Libraries allows attackers to read sensitive memory or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-2394?
CVE-2026-2394 is a medium-severity memory corruption vulnerability in RTI Connext Professional, published on 1 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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 5.2.0 before 5.2.*, from 4.3x before 5.1.*.
Which versions are affected by CVE-2026-2394?
It affects 1 product.
Products include Rti Connext Professional.
How do I fix CVE-2026-2394?
No fix has been published for CVE-2026-2394 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-2394 being exploited?
There is no known exploitation of CVE-2026-2394 in the wild and no public exploit code.
Other vulnerabilities in RTI Connext Professional
- CVE-2026-2467 Memory corruption in Connext Professional
- CVE-2026-3894 Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.
- CVE-2024-52057 SQL injection in Connext Professional
- CVE-2026-7300 Memory corruption in Connext Professional
- CVE-2025-14543 XML external entity in Connext Professional
Sources
Also known as GHSA-g9xm-7c5j-7cx6.