CVE-2026-2394 PUBLISHED

Buffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.

Assigner: RTI
Reserved: 12.02.2026 Published: 01.04.2026 Updated: 01.04.2026

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., from 6.0.0 before 6.0., from 5.3.0 before 5.3., from 4.3x before 5.2..

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
CVSS Score: 6.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	Present	Availability	Low	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
CVSS Score: 4.8

Security Extensions Enabled

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	Low
User Interaction	None

Security Extensions Enabled

CVSS 4.0

Product Status

Vendor	RTI
Product	Connext Professional
Versions	Default: unaffected affected from 7.4.0 to 7.7.0 (excl.) affected from 7.0.0 to 7.3.1.1 (excl.) affected from 6.1.0 to 6.1.* (excl.) affected from 6.0.0 to 6.0.* (excl.) affected from 5.3.0 to 5.3.* (excl.) affected from 4.3x to 5.2.* (excl.)

References

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

Problem Types

CWE-126 Buffer Over-read CWE

Impacts

CAPEC-540 Overread Buffers