Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, 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.*, from 5.2.0 before 5.2.*, from 5.0.0 before 5.1.*.

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
RTI Connext Professional unaffected
Version Status Constraints
7.4.0 affected < 7.7.0.1
7.0.0 affected < 7.3.1.6
6.1.0 affected < 6.1.*
6.0.0 affected < 6.0.*
5.3.0 affected < 5.3.*
5.2.0 affected < 5.2.*
5.0.0 affected < 5.1.*

No data.

No data.

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Vendors Products
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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.rti.com/vulnerabilities/#cve-2026-18626 cve-icon cve-icon
History

Tue, 22 Sep 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 22 Sep 2026 18:00:00 +0000

Type Values Removed Values Added
Description Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, 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.*, from 5.2.0 before 5.2.*, from 5.0.0 before 5.1.*.
Title Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.
First Time appeared Rti
Rti connext Professional
Weaknesses CWE-125
CPEs cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*
Vendors & Products Rti
Rti connext Professional
References
Metrics cvssV4_0

{'score': 6.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: RTI

Published:

Updated: 2026-09-22T18:45:58.591Z

Reserved: 2026-08-03T08:20:41.882Z

Link: CVE-2026-18626

cve-icon Vulnrichment

Updated: 2026-09-22T18:45:55.776Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-22T18:17:12.363

Modified: 2026-09-22T19:37:36.747

Link: CVE-2026-18626

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-22T20:15:09Z

Weaknesses