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CVE Vulnerability Details :
CVE-2026-4374
PUBLISHED
More InfoOfficial Page
Assigner-RTI
Assigner Org ID-3f572a00-62e2-4423-959a-7ea25eff1638
View Known Exploited Vulnerability (KEV) details
Published At-01 Apr, 2026 | 01:06
Updated At-01 Apr, 2026 | 15:51
Rejected At-
▼CVE Numbering Authority (CNA)
Improper Restriction of XML External Entity Reference vulnerability in RTI Connext Professional (Routing Service,Observability Collector,Recording Service,Queueing Service,Cloud Discovery Service) allows Serialized Data External Linking, Data Serializat...

Improper Restriction of XML External Entity Reference vulnerability in RTI Connext Professional (Routing Service,Observability Collector,Recording Service,Queueing Service,Cloud Discovery Service) allows Serialized Data External Linking, Data Serializat...

Affected Products
Vendor
RTI
Product
Connext Professional
Package Name
connext_professional
Modules
  • Routing Service
  • Observability Collector
  • Recording Service
  • Queueing Service
  • Cloud Discovery Service
Default Status
unaffected
Versions
Affected
  • From 7.4.0 before 7.7.0 (custom)
  • From 7.1.0 before 7.3.1.1 (custom)
  • From 6.1.0 before 6.1.* (custom)
  • From 6.0.0 before 6.0.* (custom)
  • From 5.3.0 before 5.3.* (custom)
Problem Types
TypeCWE IDDescription
CWECWE-611CWE-611 Improper Restriction of XML External Entity Reference
Type: CWE
CWE ID: CWE-611
Description: CWE-611 Improper Restriction of XML External Entity Reference
Metrics
VersionBase scoreBase severityVector
4.08.8HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
4.07.0HIGH
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
Version: 4.0
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
Version: 4.0
Base score: 7.0
Base severity: HIGH
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-201CAPEC-201 Serialized Data External Linking
CAPEC-221CAPEC-221 Data Serialization External Entities Blowup
CAPEC ID: CAPEC-201
Description: CAPEC-201 Serialized Data External Linking
CAPEC ID: CAPEC-221
Description: CAPEC-221 Data Serialization External Entities Blowup
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.rti.com/vulnerabilities/#cve-2026-4374
N/A
Hyperlink: https://www.rti.com/vulnerabilities/#cve-2026-4374
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found