Use of Externally-Controlled Format String vulnerability in RTI Connext Professional (Core Libraries) allows Format String Injection. This issue affects Connext Professional: from 7.5.0 before 7.7.0.1, from 7.3.0.10 before 7.3.1.6.

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

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.

Key SSVC decision points have not yet been added.

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
7.5.0 affected < 7.7.0.1
7.3.0.10 affected < 7.3.1.6

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Project Subscriptions

Vendors Products
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Connext Professional Subscribe
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-2026-18461 cve-icon cve-icon
History

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

Type Values Removed Values Added
Description Use of Externally-Controlled Format String vulnerability in RTI Connext Professional (Core Libraries) allows Format String Injection. This issue affects Connext Professional: from 7.5.0 before 7.7.0.1, from 7.3.0.10 before 7.3.1.6.
Title Use of Externally-Controlled Format String vulnerability in RTI Connext Professional (Core Libraries) allows Format String Injection.
First Time appeared Rti
Rti connext Professional
Weaknesses CWE-134
CPEs cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*
Vendors & Products Rti
Rti connext Professional
References
Metrics cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: RTI

Published:

Updated: 2026-09-22T18:46:56.035Z

Reserved: 2026-07-31T07:31:16.835Z

Link: CVE-2026-18461

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-22T18:17:12.077

Modified: 2026-09-22T18:17:12.077

Link: CVE-2026-18461

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses