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CVE-2026-18460: CWE-193 Off-by-one Error in RTI Connext Professional

0
Medium
VulnerabilityCVE-2026-18460cvecve-2026-18460cwe-193cwe-787
Published: 09/22/2026 (09/22/2026, 17:50:20 UTC)
Source: CVE Database V5
Vendor/Project: RTI
Product: Connext Professional

Description

Off-by-one Error, Out-of-bounds Write vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.0.0 before 7.3.1.6.

CVSS v4.0

Score 6.9medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
Low
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

Affected software

RTI

Connext Professional

Affected versions
>=7.4.0 <7.7.0.1>=7.0.0 <7.3.1.6
GitHub Actionsmore threats →ai
rti/connext-professional
pkg:github/rti/connext-professional
Affected versions
>=7.4.0 <7.7.0.1>=7.0.0 <7.3.1.6

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/22/2026, 18:18:28 UTC

Technical Analysis

This vulnerability is caused by an off-by-one error resulting in an out-of-bounds write in the RTI Connext Professional Core Libraries. The affected versions are >=7.0.0 <7.3.1.6 and >=7.4.0 <7.7.0.1. The flaw allows buffer overflow conditions which could potentially impact the integrity of the affected software. The CVSS 4.0 base score is 6.9, reflecting a medium severity level with network attack vector, low attack complexity, no privileges required, and no user interaction needed. The vulnerability does not involve confidentiality or availability impacts but has limited integrity impact. There are no known exploits in the wild and no vendor advisory or patch links provided in the input data.

Potential Impact

The vulnerability allows an out-of-bounds write due to an off-by-one error, leading to buffer overflow conditions. This could compromise the integrity of the affected software components. There is no indication of confidentiality or availability impact. The medium severity score reflects the potential for limited integrity impact without requiring privileges or user interaction.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or fix information is provided, users should monitor RTI's official channels for updates. Until a fix is available, consider mitigating exposure by limiting network access to affected components if feasible.

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Technical Details

Data Version
5.2
Assigner Short Name
RTI
Date Reserved
2026-07-31T07:30:45.192Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6ab2c2eff7a7c541068b81da

Added to database: 09/22/2026, 18:03:27 UTC

Last enriched: 09/22/2026, 18:18:28 UTC

Last updated: 09/23/2026, 01:58:06 UTC

Views: 8

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