CVE-2026-18461 | BDVDB-2026-377633 Detail

RTIConnext Professional

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.

Impact#

CAPEC-135 Format String Injection

Weaknesses#

CWE-134 Use of Externally-Controlled Format String

References#

https://www.rti.com/vulnerabilities/#cve-2026-18461

Exploit#

No public exploit known

History#

Version 12026-09-22Record published in the CVE List.

Published

Published: 2026-09-22
Last modified: 2026-09-22

Vendor information

Vendor: RTI
Product: Connext Professional

All RTI vulnerabilities

Score

9.2 Critical

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 26.5.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Format String

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 7.5.0 and < 7.7.0.1
Fixed
7.7.0.1
Vulnerable
>= 7.3.0.10 and < 7.3.1.6
Fixed
7.3.1.6

Scoring System

CVSS v4.0

9.2 Critical

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

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Attack Requirements	None
Privileges Required	None
User Interaction	None
Vulnerable System Confidentiality	High
Vulnerable System Integrity	High
Vulnerable System Availability	High
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).