{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-83603", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-31T20:36:25.743Z", "datePublished": "2026-09-22T17:01:56.465Z", "dateUpdated": "2026-09-22T17:43:23.328Z"}, "containers": {"cna": {"title": "Netdata: Local Root via ndsudo Arbitrary socket_path \u2192 fail2ban-client Pickle RCE", "problemTypes": [{"descriptions": [{"cweId": "CWE-73", "lang": "en", "description": "CWE-73: External Control of File Name or Path", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-502", "lang": "en", "description": "CWE-502: Deserialization of Untrusted Data", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 8.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/netdata/netdata/security/advisories/GHSA-qwh9-pq27-993w", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/netdata/netdata/security/advisories/GHSA-qwh9-pq27-993w"}, {"name": "https://github.com/netdata/netdata/pull/22745", "tags": ["x_refsource_MISC"], "url": "https://github.com/netdata/netdata/pull/22745"}, {"name": "https://github.com/netdata/netdata/commit/9bced8d46464bd0fe01b0b5f8c63c4ac24e9b060", "tags": ["x_refsource_MISC"], "url": "https://github.com/netdata/netdata/commit/9bced8d46464bd0fe01b0b5f8c63c4ac24e9b060"}, {"name": "https://github.com/netdata/netdata/releases/tag/v2.10.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/netdata/netdata/releases/tag/v2.10.4"}], "affected": [{"vendor": "netdata", "product": "netdata", "versions": [{"version": "< 2.10.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-22T17:01:56.465Z"}, "descriptions": [{"lang": "en", "value": "Netdata is an open source observability tool. Prior to 2.10.4, the setuid-root ndsudo helper command fail2ban-client-status-socket in src/collectors/utils/ndsudo.c accepts a caller-controlled --socket_path from the low-privileged netdata service account. The account can direct root fail2ban-client to a malicious UNIX socket, and fail2ban/client/csocket.py CSocket.receive() passes the returned data to pickle.loads(), allowing attacker-controlled code to execute as root on systems with fail2ban-client installed. This issue is fixed in version 2.10.4 and nightly build 2.10.0-782-nightly."}], "source": {"advisory": "GHSA-qwh9-pq27-993w", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-22T17:35:38.430711Z", "id": "CVE-2026-83603", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-22T17:43:23.328Z"}}]}}

{}

{"affected": [{"affectedData": [{"product": "netdata", "vendor": "netdata", "versions": [{"status": "affected", "version": "< 2.10.4"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Netdata is an open source observability tool. Prior to 2.10.4, the setuid-root ndsudo helper command fail2ban-client-status-socket in src/collectors/utils/ndsudo.c accepts a caller-controlled --socket_path from the low-privileged netdata service account. The account can direct root fail2ban-client to a malicious UNIX socket, and fail2ban/client/csocket.py CSocket.receive() passes the returned data to pickle.loads(), allowing attacker-controlled code to execute as root on systems with fail2ban-client installed. This issue is fixed in version 2.10.4 and nightly build 2.10.0-782-nightly."}], "id": "CVE-2026-83603", "lastModified": "2026-09-22T17:17:26.550", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 8.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.0, "impactScore": 5.8, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-22T17:17:26.550", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/netdata/netdata/commit/9bced8d46464bd0fe01b0b5f8c63c4ac24e9b060"}, {"source": "security-advisories@github.com", "url": "https://github.com/netdata/netdata/pull/22745"}, {"source": "security-advisories@github.com", "url": "https://github.com/netdata/netdata/releases/tag/v2.10.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/netdata/netdata/security/advisories/GHSA-qwh9-pq27-993w"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-73"}, {"lang": "en", "value": "CWE-502"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}