{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-61554", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-10T16:48:39.923Z", "datePublished": "2026-09-15T20:48:05.156Z", "dateUpdated": "2026-09-15T20:48:05.156Z"}, "containers": {"cna": {"title": "emp3r0r has an unauthenticated HTTP Polling DoS", "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "lang": "en", "description": "CWE-400: Uncontrolled Resource Consumption", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/jm33-m0/emp3r0r/security/advisories/GHSA-4595-rvpx-4q34", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/jm33-m0/emp3r0r/security/advisories/GHSA-4595-rvpx-4q34"}, {"name": "https://github.com/jm33-m0/emp3r0r/releases/tag/v4.2.5", "tags": ["x_refsource_MISC"], "url": "https://github.com/jm33-m0/emp3r0r/releases/tag/v4.2.5"}], "affected": [{"vendor": "jm33-m0", "product": "emp3r0r", "versions": [{"version": "< 4.2.5", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-15T20:48:05.156Z"}, "descriptions": [{"lang": "en", "value": "emp3r0r is a C2 designed by Linux users for Linux environments. Prior to version 4.2.5, the `http_poll` C2 transport accepts attacker-controlled HTTP polling sessions before CBOR `MsgAuth` authentication is completed. A remote unauthenticated attacker can create arbitrary polling sessions and send request bodies that are forwarded into the C2 dispatch path. This can consume server resources and trigger pre-auth C2 processing. Version 4.2.5 patches the issue."}], "source": {"advisory": "GHSA-4595-rvpx-4q34", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "emp3r0r", "vendor": "jm33-m0", "versions": [{"status": "affected", "version": "< 4.2.5"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "emp3r0r is a C2 designed by Linux users for Linux environments. Prior to version 4.2.5, the `http_poll` C2 transport accepts attacker-controlled HTTP polling sessions before CBOR `MsgAuth` authentication is completed. A remote unauthenticated attacker can create arbitrary polling sessions and send request bodies that are forwarded into the C2 dispatch path. This can consume server resources and trigger pre-auth C2 processing. Version 4.2.5 patches the issue."}], "id": "CVE-2026-61554", "lastModified": "2026-09-15T21:16:41.223", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-15T21:16:41.223", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/jm33-m0/emp3r0r/releases/tag/v4.2.5"}, {"source": "security-advisories@github.com", "url": "https://github.com/jm33-m0/emp3r0r/security/advisories/GHSA-4595-rvpx-4q34"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}