CVE-2026-2394

Buffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.1, from 6.1.0 before 6.1.2.34, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 4.3x before 5.1.*.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://www.rti.com/vulnerabilities/#cve-2026-2394	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:rti:connext_professional::::::::
	cpe:2.3:a:rti:connext_professional::::::::
	cpe:2.3:a:rti:connext_professional::::::::
	cpe:2.3:a:rti:connext_professional::::::::
	cpe:2.3:a:rti:connext_professional::::::::
	cpe:2.3:a:rti:connext_professional::::::::

History

22 Sep 2026, 18:17

Type	Values Removed	Values Added
Summary	(en) Buffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.1, from 6.1.0 before 6.1.2.34, from 6.0.0 before 6.0., from 5.3.0 before 5.3., from 4.3x before 5.2.*.	(en) Buffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.1, from 6.1.0 before 6.1.2.34, from 6.0.0 before 6.0., from 5.3.0 before 5.3., from 5.2.0 before 5.2., from 4.3x before 5.1..

Information

Published : 2026-04-01 01:16

Updated : 2026-09-22 18:17

NVD link : CVE-2026-2394

Mitre link : CVE-2026-2394

CVE.ORG link : CVE-2026-2394

JSON object : View

Products Affected

rti

connext_professional

CWE

CWE-126

Buffer Over-read

CWE-125

Out-of-bounds Read

{"id": "CVE-2026-2394", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-2394", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-01T14:31:58.220725Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "3f572a00-62e2-4423-959a-7ea25eff1638", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "3f572a00-62e2-4423-959a-7ea25eff1638", "affectedData": [{"vendor": "RTI", "modules": ["Core Libraries"], "product": "Connext Professional", "versions": [{"status": "affected", "version": "7.4.0", "lessThan": "7.7.0", "versionType": "custom"}, {"status": "affected", "version": "7.0.0", "lessThan": "7.3.1.1", "versionType": "custom"}, {"status": "affected", "version": "6.1.0", "lessThan": "6.1.2.34", "versionType": "custom"}, {"status": "affected", "version": "6.0.0", "lessThan": "6.0.*", "versionType": "custom"}, {"status": "affected", "version": "5.3.0", "lessThan": "5.3.*", "versionType": "custom"}, {"status": "affected", "version": "5.2.0", "lessThan": "5.2.*", "versionType": "custom"}, {"status": "affected", "version": "4.3x", "lessThan": "5.1.*", "versionType": "custom"}], "packageURL": "pkg:generic/connext_professional", "packageName": "connext_professional", "defaultStatus": "unaffected"}]}], "published": "2026-04-01T01:16:40.990", "references": [{"url": "https://www.rti.com/vulnerabilities/#cve-2026-2394", "tags": ["Vendor Advisory"], "source": "3f572a00-62e2-4423-959a-7ea25eff1638"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "3f572a00-62e2-4423-959a-7ea25eff1638", "description": [{"lang": "en", "value": "CWE-126"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "Buffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.1, from 6.1.0 before 6.1.2.34, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 4.3x before 5.1.*."}, {"lang": "es", "value": "Vulnerabilidad de lectura excesiva de b\u00fafer en RTI Connext Professional (Core Libraries) permite la lectura excesiva de b\u00faferes. Este problema afecta a Connext Professional: desde 7.4.0 antes de 7.7.0, desde 7.0.0 antes de 7.3.1.1, desde 6.1.0 antes de 6.1.*, desde 6.0.0 antes de 6.0.*, desde 5.3.0 antes de 5.3.*, desde 4.3x antes de 5.2.*."}], "lastModified": "2026-09-22T18:17:12.677", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1D94CB04-B781-49BA-AD24-F7FBAB83C897", "versionEndIncluding": "5.2.3", "versionStartIncluding": "4.3.0"}, {"criteria": "cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F8B1FE0A-A2E0-45AA-9ED2-CED9BDA02047", "versionEndIncluding": "5.3.1.45", "versionStartIncluding": "5.3.0"}, {"criteria": "cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8369CEAE-4767-4910-AD55-3C6E8898EE5F", "versionEndIncluding": "6.0.1.40", "versionStartIncluding": "6.0.0"}, {"criteria": "cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2042782E-93AB-4D92-9DB0-3377557B5B46", "versionEndIncluding": "6.1.2.27", "versionStartIncluding": "6.1.0"}, {"criteria": "cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9F77FCD6-D5AC-46DF-99BF-D9E30919B5E4", "versionEndExcluding": "7.3.1.1", "versionStartIncluding": "7.0.0"}, {"criteria": "cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DF87EB0F-A1CD-40D1-96F0-53D964E34BFC", "versionEndExcluding": "7.7.0", "versionStartIncluding": "7.4.0"}], "operator": "OR"}]}], "sourceIdentifier": "3f572a00-62e2-4423-959a-7ea25eff1638"}