CVE-2026-11389 (GCVE-0-2026-11389)
Vulnerability from cvelistv5 – Published: 2026-09-22 17:50 – Updated: 2026-09-22 18:49
VLAI
EPSS
VEX
Title
Out-of-bounds Read, Function Call With Incorrect Number of Arguments, Access of Resource Using Incompatible Type ('Type Confusion') vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.
Summary
Out-of-bounds Read, Function Call With Incorrect Number of Arguments, Access of Resource Using Incompatible Type ('Type Confusion') vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.3.0 before 7.3.1.6.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 18:49 UTC
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| RTI | Connext Professional |
Affected:
7.4.0 , < 7.7.0.1
(custom)
Affected: 7.3.0 , < 7.3.1.6 (custom) cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:* cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:* |
Date Public
2026-09-15 17:47
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-11389",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-22T18:49:09.272083Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-09-22T18:49:15.593Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"modules": [
"Core Libraries"
],
"packageName": "connext_professional",
"packageURL": "pkg:generic/connext_professional",
"product": "Connext Professional",
"vendor": "RTI",
"versions": [
{
"lessThan": "7.7.0.1",
"status": "affected",
"version": "7.4.0",
"versionType": "custom"
},
{
"lessThan": "7.3.1.6",
"status": "affected",
"version": "7.3.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.7.0.1",
"versionStartIncluding": "7.4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.3.1.6",
"versionStartIncluding": "7.3.0",
"vulnerable": true
}
],
"negated": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-09-15T17:47:56.507Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Out-of-bounds Read, Function Call With Incorrect Number of Arguments, Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027) vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.\u003cp\u003eThis issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.3.0 before 7.3.1.6.\u003c/p\u003e"
}
],
"value": "Out-of-bounds Read, Function Call With Incorrect Number of Arguments, Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027) vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.3.0 before 7.3.1.6."
}
],
"impacts": [
{
"capecId": "CAPEC-540",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-540 Overread Buffers"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "LOCAL",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
},
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "LOCAL",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "Security Extensions Enabled"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "CWE-125 Out-of-bounds Read",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-685",
"description": "CWE-685 Function Call With Incorrect Number of Arguments",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-843",
"description": "CWE-843 Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-22T17:50:16.392Z",
"orgId": "3f572a00-62e2-4423-959a-7ea25eff1638",
"shortName": "RTI"
},
"references": [
{
"url": "https://www.rti.com/vulnerabilities/#cve-2026-11389"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Out-of-bounds Read, Function Call With Incorrect Number of Arguments, Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027) vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.",
"x_generator": {
"engine": "RTI Lubna 1.18.7"
}
}
},
"cveMetadata": {
"assignerOrgId": "3f572a00-62e2-4423-959a-7ea25eff1638",
"assignerShortName": "RTI",
"cveId": "CVE-2026-11389",
"datePublished": "2026-09-22T17:50:16.392Z",
"dateReserved": "2026-06-05T15:43:42.378Z",
"dateUpdated": "2026-09-22T18:49:15.593Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"modules": [
"Core Libraries"
],
"packageName": "connext_professional",
"packageURL": "pkg:generic/connext_professional",
"product": "Connext Professional",
"vendor": "RTI",
"versions": [
{
"lessThan": "7.7.0.1",
"status": "affected",
"version": "7.4.0",
"versionType": "custom"
},
{
"lessThan": "7.3.1.6",
"status": "affected",
"version": "7.3.0",
"versionType": "custom"
}
]
}
],
"source": "3f572a00-62e2-4423-959a-7ea25eff1638"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Out-of-bounds Read, Function Call With Incorrect Number of Arguments, Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027) vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.3.0 before 7.3.1.6."
}
],
"id": "CVE-2026-11389",
"lastModified": "2026-09-22T19:37:36.747",
"metrics": {
"cvssMetricV40": [
{
"cvssData": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "LOCAL",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"confidentialityRequirement": "NOT_DEFINED",
"exploitMaturity": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/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",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "3f572a00-62e2-4423-959a-7ea25eff1638",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-11389",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-22T18:49:09.272083Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-09-22T18:17:10.673",
"references": [
{
"source": "3f572a00-62e2-4423-959a-7ea25eff1638",
"url": "https://www.rti.com/vulnerabilities/#cve-2026-11389"
}
],
"sourceIdentifier": "3f572a00-62e2-4423-959a-7ea25eff1638",
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-125"
},
{
"lang": "en",
"value": "CWE-685"
},
{
"lang": "en",
"value": "CWE-843"
}
],
"source": "3f572a00-62e2-4423-959a-7ea25eff1638",
"type": "Secondary"
}
]
}
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-11389",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-22T18:49:09.272083Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-09-22T18:49:12.551Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"modules": [
"Core Libraries"
],
"packageName": "connext_professional",
"packageURL": "pkg:generic/connext_professional",
"product": "Connext Professional",
"vendor": "RTI",
"versions": [
{
"lessThan": "7.7.0.1",
"status": "affected",
"version": "7.4.0",
"versionType": "custom"
},
{
"lessThan": "7.3.1.6",
"status": "affected",
"version": "7.3.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.7.0.1",
"versionStartIncluding": "7.4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.3.1.6",
"versionStartIncluding": "7.3.0",
"vulnerable": true
}
],
"negated": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-09-15T17:47:56.507Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Out-of-bounds Read, Function Call With Incorrect Number of Arguments, Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027) vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.\u003cp\u003eThis issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.3.0 before 7.3.1.6.\u003c/p\u003e"
}
],
"value": "Out-of-bounds Read, Function Call With Incorrect Number of Arguments, Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027) vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.3.0 before 7.3.1.6."
}
],
"impacts": [
{
"capecId": "CAPEC-540",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-540 Overread Buffers"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "LOCAL",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
},
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "LOCAL",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "Security Extensions Enabled"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "CWE-125 Out-of-bounds Read",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-685",
"description": "CWE-685 Function Call With Incorrect Number of Arguments",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-843",
"description": "CWE-843 Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-22T17:50:16.392Z",
"orgId": "3f572a00-62e2-4423-959a-7ea25eff1638",
"shortName": "RTI"
},
"references": [
{
"url": "https://www.rti.com/vulnerabilities/#cve-2026-11389"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Out-of-bounds Read, Function Call With Incorrect Number of Arguments, Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027) vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.",
"x_generator": {
"engine": "RTI Lubna 1.18.7"
}
}
},
"cveMetadata": {
"assignerOrgId": "3f572a00-62e2-4423-959a-7ea25eff1638",
"assignerShortName": "RTI",
"cveId": "CVE-2026-11389",
"datePublished": "2026-09-22T17:50:16.392Z",
"dateReserved": "2026-06-05T15:43:42.378Z",
"dateUpdated": "2026-09-22T18:49:15.593Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…