CVE-2026-2394 (GCVE-0-2026-2394)

Vulnerability from cvelistv5 – Published: 2026-04-01 00:52 – Updated: 2026-04-01 15:51
VLAI?
Title
Buffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.
Summary
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.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 4.3x before 5.2.*.
Severity ?
6.3 (Medium)
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
4.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
CWE
Assigner
RTI
References
Impacted products
Vendor Product Version
RTI Connext Professional Affected: 7.4.0 , < 7.7.0 (custom)
Affected: 7.0.0 , < 7.3.1.1 (custom)
Affected: 6.1.0 , < 6.1.* (custom)
Affected: 6.0.0 , < 6.0.* (custom)
Affected: 5.3.0 , < 5.3.* (custom)
Affected: 4.3x , < 5.2.* (custom)
Create a notification for this product.
Date Public ?
2026-03-25 17:32
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-2394",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-01T14:31:58.220725Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-01T15:51:51.642Z",
          "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",
              "status": "affected",
              "version": "7.4.0",
              "versionType": "custom"
            },
            {
              "lessThan": "7.3.1.1",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "custom"
            },
            {
              "lessThan": "6.1.*",
              "status": "affected",
              "version": "6.1.0",
              "versionType": "custom"
            },
            {
              "lessThan": "6.0.*",
              "status": "affected",
              "version": "6.0.0",
              "versionType": "custom"
            },
            {
              "lessThan": "5.3.*",
              "status": "affected",
              "version": "5.3.0",
              "versionType": "custom"
            },
            {
              "lessThan": "5.2.*",
              "status": "affected",
              "version": "4.3x",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.7.0",
                  "versionStartIncluding": "7.4.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3.1.1",
                  "versionStartIncluding": "7.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.*",
                  "versionStartIncluding": "6.1.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.*",
                  "versionStartIncluding": "6.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.3.*",
                  "versionStartIncluding": "5.3.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.2.*",
                  "versionStartIncluding": "4.3x",
                  "vulnerable": true
                }
              ],
              "negated": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "datePublic": "2026-03-25T17:32:00.845Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Buffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.\u003cp\u003eThis 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.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 4.3x before 5.2.*.\u003c/p\u003e"
            }
          ],
          "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.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 4.3x before 5.2.*."
        }
      ],
      "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": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "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",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "LOW",
            "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": 4.8,
            "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:L/VI:N/VA:L/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "Security Extensions Enabled"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-126",
              "description": "CWE-126 Buffer Over-read",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-01T00:52:39.353Z",
        "orgId": "3f572a00-62e2-4423-959a-7ea25eff1638",
        "shortName": "RTI"
      },
      "references": [
        {
          "url": "https://www.rti.com/vulnerabilities/#cve-2026-2394"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Buffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.",
      "x_generator": {
        "engine": "RTI Lubna 1.16.2"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "3f572a00-62e2-4423-959a-7ea25eff1638",
    "assignerShortName": "RTI",
    "cveId": "CVE-2026-2394",
    "datePublished": "2026-04-01T00:52:39.353Z",
    "dateReserved": "2026-02-12T10:13:55.938Z",
    "dateUpdated": "2026-04-01T15:51:51.642Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-2394\",\"sourceIdentifier\":\"3f572a00-62e2-4423-959a-7ea25eff1638\",\"published\":\"2026-04-01T01:16:40.990\",\"lastModified\":\"2026-04-01T14:23:37.727\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"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.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 4.3x before 5.2.*.\"},{\"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.*.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"3f572a00-62e2-4423-959a-7ea25eff1638\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"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\",\"baseScore\":6.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"PRESENT\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"LOW\",\"vulnIntegrityImpact\":\"NONE\",\"vulnAvailabilityImpact\":\"LOW\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}]},\"weaknesses\":[{\"source\":\"3f572a00-62e2-4423-959a-7ea25eff1638\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-126\"}]}],\"references\":[{\"url\":\"https://www.rti.com/vulnerabilities/#cve-2026-2394\",\"source\":\"3f572a00-62e2-4423-959a-7ea25eff1638\"}]}}",
    "vulnrichment": {
      "containers": "{\"cna\": {\"affected\": [{\"defaultStatus\": \"unaffected\", \"modules\": [\"Core Libraries\"], \"product\": \"Connext Professional\", \"packageName\": \"connext_professional\", \"packageURL\": \"pkg:generic/connext_professional\", \"vendor\": \"RTI\", \"versions\": [{\"lessThan\": \"7.7.0\", \"status\": \"affected\", \"version\": \"7.4.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"7.3.1.1\", \"status\": \"affected\", \"version\": \"7.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"6.1.*\", \"status\": \"affected\", \"version\": \"6.1.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"6.0.*\", \"status\": \"affected\", \"version\": \"6.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"5.3.*\", \"status\": \"affected\", \"version\": \"5.3.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"5.2.*\", \"status\": \"affected\", \"version\": \"4.3x\", \"versionType\": \"custom\"}]}], \"datePublic\": \"2026-03-25T17:32:00.845Z\", \"descriptions\": [{\"lang\": \"en\", \"supportingMedia\": [{\"base64\": false, \"type\": \"text/html\", \"value\": \"Buffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.\u003cp\u003eThis 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.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 4.3x before 5.2.*.\u003c/p\u003e\"}], \"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.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 4.3x before 5.2.*.\"}], \"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\": \"PRESENT\", \"attackVector\": \"NETWORK\", \"baseScore\": 6.3, \"baseSeverity\": \"MEDIUM\", \"privilegesRequired\": \"NONE\", \"providerUrgency\": \"NOT_DEFINED\", \"subAvailabilityImpact\": \"NONE\", \"subConfidentialityImpact\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"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\", \"version\": \"4.0\", \"vulnAvailabilityImpact\": \"LOW\", \"vulnConfidentialityImpact\": \"LOW\", \"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\": 4.8, \"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:L/VI:N/VA:L/SC:N/SI:N/SA:N\", \"version\": \"4.0\", \"vulnAvailabilityImpact\": \"LOW\", \"vulnConfidentialityImpact\": \"LOW\", \"vulnIntegrityImpact\": \"NONE\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"format\": \"CVSS\", \"scenarios\": [{\"lang\": \"en\", \"value\": \"Security Extensions Enabled\"}]}], \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-126\", \"description\": \"CWE-126 Buffer Over-read\", \"lang\": \"en\", \"type\": \"CWE\"}]}], \"providerMetadata\": {\"orgId\": \"3f572a00-62e2-4423-959a-7ea25eff1638\", \"shortName\": \"RTI\", \"dateUpdated\": \"2026-04-01T00:52:39.353Z\"}, \"references\": [{\"url\": \"https://www.rti.com/vulnerabilities/#cve-2026-2394\"}], \"source\": {\"discovery\": \"UNKNOWN\"}, \"title\": \"Buffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.\", \"x_generator\": {\"engine\": \"RTI Lubna 1.16.2\"}, \"cpeApplicability\": [{\"nodes\": [{\"operator\": \"OR\", \"negated\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"7.4.0\", \"versionEndExcluding\": \"7.7.0\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"7.0.0\", \"versionEndExcluding\": \"7.3.1.1\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.1.0\", \"versionEndExcluding\": \"6.1.*\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.0.0\", \"versionEndExcluding\": \"6.0.*\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.3.0\", \"versionEndExcluding\": \"5.3.*\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.3x\", \"versionEndExcluding\": \"5.2.*\"}]}]}]}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-2394\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-04-01T14:31:58.220725Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-04-01T14:32:08.841Z\"}}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-2394\", \"assignerOrgId\": \"3f572a00-62e2-4423-959a-7ea25eff1638\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"RTI\", \"dateReserved\": \"2026-02-12T10:13:55.938Z\", \"datePublished\": \"2026-04-01T00:52:39.353Z\", \"dateUpdated\": \"2026-04-01T15:51:51.642Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.



Detection rules are retrieved from Rulezet.