{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-4837", "assignerOrgId": "9974b330-7714-4307-a722-5648477acda7", "state": "PUBLISHED", "assignerShortName": "rapid7", "dateReserved": "2026-03-25T14:28:27.182Z", "datePublished": "2026-04-08T15:59:03.121Z", "dateUpdated": "2026-04-08T16:08:02.464Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9974b330-7714-4307-a722-5648477acda7", "shortName": "rapid7", "dateUpdated": "2026-04-08T16:08:02.464Z"}, "title": "Eval Injection in Rapid7 Insight Agent", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-95", "description": "CWE-95 Improper neutralization of directives in dynamically evaluated code ('eval injection')", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-242", "descriptions": [{"lang": "en", "value": "CAPEC-242 Code Injection"}]}], "affected": [{"vendor": "Rapid7", "product": "Insight Agent", "platforms": ["Linux"], "modules": ["ir_agent"], "versions": [{"status": "affected", "version": "0", "lessThan": "4.1.0.2", "changes": [{"at": "4.1.0.2", "status": "unaffected"}], "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "An eval() injection vulnerability in the Rapid7 Insight Agent beaconing logic for Linux versions could theoretically allow an attacker to achieve remote code execution as root via a crafted beacon response. Because the Agent uses mutual TLS (mTLS) to verify commands from the Rapid7 Platform, it is unlikely that the eval() function could be exploited remotely without prior, highly privileged access to the backend platform.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "An eval() injection vulnerability in the Rapid7 Insight Agent beaconing logic for Linux versions could theoretically allow an attacker to achieve remote code execution as root via a crafted beacon response. Because the Agent uses mutual TLS (mTLS) to verify commands from the Rapid7 Platform, it is unlikely that the eval() function could be exploited remotely without prior, highly privileged access to the backend platform."}]}], "references": [{"url": "https://docs.rapid7.com/insight/release-notes-2026-april/#improvements-and-fixes"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 6.6, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H"}}], "credits": [{"lang": "en", "value": "John Rodriguez", "type": "reporter"}, {"lang": "en", "value": "Cyberdagger", "type": "sponsor"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.1"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "An eval() injection vulnerability in the Rapid7 Insight Agent beaconing logic for Linux versions could theoretically allow an attacker to achieve remote code execution as root via a crafted beacon response. Because the Agent uses mutual TLS (mTLS) to verify commands from the Rapid7 Platform, it is unlikely that the eval() function could be exploited remotely without prior, highly privileged access to the backend platform."}], "id": "CVE-2026-4837", "lastModified": "2026-04-08T21:26:13.410", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.7, "impactScore": 5.9, "source": "cve@rapid7.com", "type": "Secondary"}]}, "published": "2026-04-08T17:21:24.603", "references": [{"source": "cve@rapid7.com", "url": "https://docs.rapid7.com/insight/release-notes-2026-april/#improvements-and-fixes"}], "sourceIdentifier": "cve@rapid7.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-95"}], "source": "cve@rapid7.com", "type": "Secondary"}]}

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