152 lines
6.3 KiB
JSON
152 lines
6.3 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-65957",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-07-23T18:15:14.579Z",
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"datePublished": "2026-11-11T20:36:21.626Z",
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"dateUpdated": "2026-11-12T17:55:40.123Z"
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},
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"containers": {
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"cna": {
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"title": "Helio: Dashboard sideband CORS origin allowlist matches hostnames by prefix, admitting attacker-controlled origins in open mode",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-346",
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"lang": "en",
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"description": "CWE-346: Origin Validation Error",
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"type": "CWE"
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}
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]
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},
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{
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"descriptions": [
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{
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"cweId": "CWE-942",
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"lang": "en",
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"description": "CWE-942: Permissive Cross-domain Security Policy with Untrusted Domains",
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"type": "CWE"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV4_0": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "LOW",
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"vulnAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 6.9,
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
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"version": "4.0"
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}
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}
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],
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"references": [
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{
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"name": "https://github.com/gethelio/helio/security/advisories/GHSA-2c3r-q7gv-hp2m",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/gethelio/helio/security/advisories/GHSA-2c3r-q7gv-hp2m"
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},
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{
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"name": "https://github.com/gethelio/helio/pull/121",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/gethelio/helio/pull/121"
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},
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{
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"name": "https://github.com/gethelio/helio/commit/4ca8329c38b0edbc5e4d782a4e3b0cfc5cd7782e",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/gethelio/helio/commit/4ca8329c38b0edbc5e4d782a4e3b0cfc5cd7782e"
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},
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{
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"name": "https://github.com/gethelio/helio/releases/tag/v0.8.0",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/gethelio/helio/releases/tag/v0.8.0"
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}
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],
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"affected": [
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{
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"vendor": "gethelio",
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"product": "helio",
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"versions": [
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{
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"version": "< 0.8.0",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-11-11T20:36:21.626Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Helio is an MCP proxy that sits between AI agents and the tools they use. Prior to version 0.8.0, the dashboard sideband (default 127.0.0.1:3100) validated CORS request origins by matching the hostname against a private-network string prefix (10., 172.16.–172.31., 192.168.) rather than validating an IP address. A public DNS name such as 192.168.attacker.com, 10.evil.io, or 172.16.pwn.example also satisfies that prefix, so the proxy echoed the attacker origin in Access-Control-Allow-Origin. This issue has been patched in version 0.8.0."
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}
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],
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"source": {
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"advisory": "GHSA-2c3r-q7gv-hp2m",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-11-12T16:38:10.952541Z",
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"id": "CVE-2026-65957",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-11-12T17:55:40.123Z"
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}
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}
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]
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}
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} |