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Vulnerability Details :

CVE-2026-4374

Summary
Assigner-RTI
Assigner Org ID-3f572a00-62e2-4423-959a-7ea25eff1638
Published At-01 Apr, 2026 | 01:06
Updated At-01 Apr, 2026 | 15:51
Rejected At-
Credits

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...

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:RTI
Assigner Org ID:3f572a00-62e2-4423-959a-7ea25eff1638
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
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:3f572a00-62e2-4423-959a-7ea25eff1638
Published At:01 Apr, 2026 | 02:16
Updated At:21 Apr, 2026 | 00:06

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...

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.08.8HIGH
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.19.1CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Type: Secondary
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 9.1
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CPE Matches
rti
rti
>>connext_professional>>Versions from 5.3.0(inclusive) to 5.3.1.45(inclusive)
cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*
rti
rti
>>connext_professional>>Versions from 6.0.0(inclusive) to 6.0.1.40(inclusive)
cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*
rti
rti
>>connext_professional>>Versions from 6.1.0(inclusive) to 6.1.2.27(inclusive)
cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*
rti
rti
>>connext_professional>>Versions from 7.0.0(inclusive) to 7.3.1.1(exclusive)
cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*
rti
rti
>>connext_professional>>Versions from 7.4.0(inclusive) to 7.7.0(exclusive)
cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-611Secondary3f572a00-62e2-4423-959a-7ea25eff1638
CWE ID: CWE-611
Type: Secondary
Source: 3f572a00-62e2-4423-959a-7ea25eff1638
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://www.rti.com/vulnerabilities/#cve-2026-43743f572a00-62e2-4423-959a-7ea25eff1638
Vendor Advisory
Hyperlink: https://www.rti.com/vulnerabilities/#cve-2026-4374
Source: 3f572a00-62e2-4423-959a-7ea25eff1638
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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Matching Score-4
Assigner-OpenText (formerly Micro Focus)
CVSS Score-9.1||CRITICAL
EPSS-0.17% / 37.76%
||
7 Day CHG~0.00%
Published-13 Jun, 2023 | 00:00
Updated-06 Jan, 2025 | 16:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Potential XML External Entity Injection in ArcSight Logger versions prior to 7.3.0.

Action-Not Available
Vendor-n/aMicro Focus International Limited
Product-arcsight_loggerArcSight Logger
CWE ID-CWE-611
Improper Restriction of XML External Entity Reference
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