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CVE-2026-11388— Double Free vulnerability in RTI Connext Professional (Core Libraries) allows File Manipulation.

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.

Double Free vulnerability in RTI Connext Professional (Core Libraries) allows File Manipulation. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.1.0 before 7.3.1.6.

CVSS 6.9 · Medium

Affected Version Matrix 2

VendorProduct Version RangeStatus
RTI Connext Professional 7.4.0< 7.7.0.1 affected
7.1.0< 7.3.1.6 affected
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I. Basic Information for CVE-2026-11388

Vulnerability Information

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Vulnerability Title
Double Free vulnerability in RTI Connext Professional (Core Libraries) allows File Manipulation.
Source: CVE Program / CVE List V5
Vulnerability Description
Double Free vulnerability in RTI Connext Professional (Core Libraries) allows File Manipulation. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.1.0 before 7.3.1.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
双重释放
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
RTI Connext Professional 7.4.0 ~ 7.7.0.1 -

II. Public POCs for CVE-2026-11388

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III. Intelligence Information for CVE-2026-11388

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Other References for CVE-2026-11388 (1)

Same Patch Batch · RTI · 2026-09-22 · 11 CVEs total

CVE-2026-7866 9.3 CRITICAL Stack-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) all
CVE-2026-18461 9.2 CRITICAL Use of Externally-Controlled Format String vulnerability in RTI Connext Professional (Core
CVE-2026-18459 8.7 HIGH Incorrect Calculation vulnerability in RTI Connext Professional (Core Libraries) allows Ab
CVE-2026-18457 8.3 HIGH Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allo
CVE-2026-8849 7.7 HIGH Use After Free vulnerability in RTI Connext Professional (Security Plugins) allows File Ma
CVE-2026-18462 7.3 HIGH Integer Overflow or Wraparound, Improper Access Control vulnerability in RTI Connext Profe
CVE-2026-18460 6.9 MEDIUM Off-by-one Error, Out-of-bounds Write vulnerability in RTI Connext Professional (Core Libr
CVE-2026-18458 6.8 MEDIUM Out-of-bounds Read, Function Call With Incorrect Number of Arguments, Access of Resource U
CVE-2026-18626 6.8 MEDIUM Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overr
CVE-2026-11389 6.8 MEDIUM Out-of-bounds Read, Function Call With Incorrect Number of Arguments, Access of Resource U

IV. Related Vulnerabilities

Same product: Connext Professional
Same vendor: RTI
Same weakness: CWE-415

V. Comments for CVE-2026-11388

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