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vuln-cve/data/2026/83xxx/CVE-2026-83602.json
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{
"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": "2026-09-28T19:29:02.173Z"
},
"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"
}
},
"adp": [
{
"references": [
{
"url": "https://github.com/netdata/netdata/security/advisories/GHSA-8hjg-8hcf-fmwp",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-09-28T19:28:42.778057Z",
"id": "CVE-2026-83602",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-09-28T19:29:02.173Z"
}
}
]
}
}