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CVE-2026-2675— Missing Authentication for Critical Function vulnerability in RTI Connext Professional (Security Plugins) allows Fake the Source of Data.

Quick assessment

Affected
RTI Connext Professional
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

RTI connext professional是美国RTI公司的一套实时数据通信中间件。 RTI Connext Professional存在授权问题漏洞，该漏洞源于关键功能缺少身份验证，可能导致数据源伪造。以下版本受到影响：7.4.0版本至7.7.0之前版本、7.0.0版本至7.3.1.3之前版本、6.1.0版本至6.1.之前版本、6.0.0版本至6.0.之前版本和5.3.0版本至5.3.*之前版本。

AI Predicted 9.8 Difficulty: Moderate EPSS 0.21% · P12

Possible ATT&CK Techniques 1 AI

T1199 · Trusted Relationship

Affected Version Matrix 5

VendorProduct Version RangeStatus
RTI Connext Professional 7.4.0< 7.7.0 affected
7.0.0< 7.3.1.3 affected
6.1.0< 6.1.* affected
6.0.0< 6.0.* affected
5.3.0< 5.3.* affected
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I. Basic Information for CVE-2026-2675

Vulnerability Information
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Vulnerability Title
Missing Authentication for Critical Function vulnerability in RTI Connext Professional (Security Plugins) allows Fake the Source of Data.
Source: CVE Program / CVE List V5
Vulnerability Description
Missing Authentication for Critical Function vulnerability in RTI Connext Professional (Security Plugins) allows Fake the Source of Data.This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.3, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
RTI Connext Professional 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
RTI connext professional是美国RTI公司的一套实时数据通信中间件。 RTI Connext Professional存在授权问题漏洞，该漏洞源于关键功能缺少身份验证，可能导致数据源伪造。以下版本受到影响：7.4.0版本至7.7.0之前版本、7.0.0版本至7.3.1.3之前版本、6.1.0版本至6.1.*之前版本、6.0.0版本至6.0.*之前版本和5.3.0版本至5.3.*之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
RTI Connext Professional 7.4.0 ~ 7.7.0 -

II. Public POCs for CVE-2026-2675

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III. Intelligence Information for CVE-2026-2675

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Same Patch Batch · RTI · 2026-06-17 · 8 CVEs total

CVE-2026-7300 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in RT
CVE-2026-3894 Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overr
CVE-2026-2467 Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allo
CVE-2026-2674 Out-of-bounds Write vulnerability in RTI Connext Professional (Queueing Service,Core Libra
CVE-2026-30799 Missing Authentication for Critical Function vulnerability in RTI Connext Professional (Se
CVE-2026-30803 Integer Underflow (Wrap or Wraparound) vulnerability in RTI Connext Micro (Core Libraries)
CVE-2026-30802 Out-of-bounds Read vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buf

IV. Related Vulnerabilities

Same product: Connext Professional
Same vendor: RTI
Same weakness: CWE-306

V. Comments for CVE-2026-2675

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