{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-83602", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-31T20:36:25.743Z", "datePublished": "2026-09-22T16:56:56.878Z", "dateUpdated": "2026-09-22T16:56:56.878Z"}, "containers": {"cna": {"title": "Netdata: Unauthenticated remote PUT to /api/v3/settings bypasses IP allowlist controls via HTTP_ACL_NOCHECK", "problemTypes": [{"descriptions": [{"cweId": "CWE-284", "lang": "en", "description": "CWE-284: Improper Access Control", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/netdata/netdata/security/advisories/GHSA-8hjg-8hcf-fmwp", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/netdata/netdata/security/advisories/GHSA-8hjg-8hcf-fmwp"}, {"name": "https://github.com/netdata/netdata/pull/22896", "tags": ["x_refsource_MISC"], "url": "https://github.com/netdata/netdata/pull/22896"}, {"name": "https://github.com/netdata/netdata/commit/0124f50bbcf36c23e798e2b76f021f5032ec93d4", "tags": ["x_refsource_MISC"], "url": "https://github.com/netdata/netdata/commit/0124f50bbcf36c23e798e2b76f021f5032ec93d4"}, {"name": "https://github.com/netdata/netdata/releases/tag/v2.11.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/netdata/netdata/releases/tag/v2.11.0"}], "affected": [{"vendor": "netdata", "product": "netdata", "versions": [{"version": ">= 2.0.0, < 2.11.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-22T16:56:56.878Z"}, "descriptions": [{"lang": "en", "value": "Netdata is an open source observability tool. From 2.0.0 until 2.11.0, Netdata registers /api/v3/settings in src/web/api/v3/web_api_v3.c with HTTP_ACL_NOCHECK and HTTP_ACCESS_ANONYMOUS_DATA, causing unauthenticated PUT requests handled by src/web/api/v3/api_v3_settings.c to bypass operator-configured allow dashboard from IP restrictions. A network-reachable caller can persist attacker-controlled JSON in {varlib}/settings/default.json, manipulate its version counter, and use repeated near-20 MiB writes to consume disk space, although the file does not control collection or security policy. This vulnerability is fixed in 2.11.0."}], "source": {"advisory": "GHSA-8hjg-8hcf-fmwp", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "netdata", "vendor": "netdata", "versions": [{"status": "affected", "version": ">= 2.0.0, < 2.11.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Netdata is an open source observability tool. From 2.0.0 until 2.11.0, Netdata registers /api/v3/settings in src/web/api/v3/web_api_v3.c with HTTP_ACL_NOCHECK and HTTP_ACCESS_ANONYMOUS_DATA, causing unauthenticated PUT requests handled by src/web/api/v3/api_v3_settings.c to bypass operator-configured allow dashboard from IP restrictions. A network-reachable caller can persist attacker-controlled JSON in {varlib}/settings/default.json, manipulate its version counter, and use repeated near-20 MiB writes to consume disk space, although the file does not control collection or security policy. This vulnerability is fixed in 2.11.0."}], "id": "CVE-2026-83602", "lastModified": "2026-09-22T17:17:26.393", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 2.5, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-22T17:17:26.393", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/netdata/netdata/commit/0124f50bbcf36c23e798e2b76f021f5032ec93d4"}, {"source": "security-advisories@github.com", "url": "https://github.com/netdata/netdata/pull/22896"}, {"source": "security-advisories@github.com", "url": "https://github.com/netdata/netdata/releases/tag/v2.11.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/netdata/netdata/security/advisories/GHSA-8hjg-8hcf-fmwp"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.0.0,2.11.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "netdata", "source": "cna", "vendor": "netdata"}, "product": "netdata", "vendor": "netdata"}], "created": "2026-09-22T18:45:18.491516+00:00", "updated": "2026-09-22T18:45:18.931602+00:00", "vendors": ["netdata", "netdata$PRODUCT$netdata"]}