{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-110616", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-14T13:07:25.514Z", "datePublished": "2026-10-14T14:16:55.237Z", "dateUpdated": "2026-10-14T14:16:55.237Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-14T14:16:55.237Z"}, "datePublic": "2026-10-14T00:00:00.000Z", "title": "NullHub through 2026.5.29 Missing Authentication for /api Management API", "descriptions": [{"lang": "en", "value": "NullHub through 2026.5.29 contains a missing authentication vulnerability that allows unauthenticated attackers to access the /api/* management API because the auth_token field defaults to null and is never assigned. Attackers sending requests without Authorization or Origin headers to non-loopback listeners can control agent instances, rewrite configurations including provider credentials, and manage cron jobs and MCP servers."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Missing Authentication for Critical Function", "cweId": "CWE-306", "type": "CWE"}]}], "affected": [{"vendor": "nullclaw", "product": "NullHub", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThanOrEqual": "2026.5.29", "status": "affected", "versionType": "custom"}], "repo": "https://github.com/nullclaw/nullhub"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 9.2, "baseSeverity": "CRITICAL"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH"}}], "references": [{"url": "https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/rJrLma3izg", "tags": ["third-party-advisory"]}, {"url": "https://github.com/nullclaw/nullhub/blob/v2026.5.29/src/server.zig#L546-L556", "tags": ["technical-description"]}, {"url": "https://github.com/nullclaw/nullhub/blob/v2026.5.29/src/api/settings.zig#L29-L54", "tags": ["technical-description"]}, {"url": "https://github.com/nullclaw/nullhub/blob/v2026.5.29/Dockerfile#L69-L71", "tags": ["technical-description"]}, {"url": "https://github.com/nullclaw/nullhub", "tags": ["product"]}, {"name": "VulnCheck Advisory: NullHub through 2026.5.29 Missing Authentication for /api Management API", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/nullhub-through-2026.5.29-missing-authentication-for-api-management-api"}], "credits": [{"lang": "en", "value": "hieuPenguinnn", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "NullHub", "repo": "https://github.com/nullclaw/nullhub", "vendor": "nullclaw", "versions": [{"lessThanOrEqual": "2026.5.29", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "NullHub through 2026.5.29 contains a missing authentication vulnerability that allows unauthenticated attackers to access the /api/* management API because the auth_token field defaults to null and is never assigned. Attackers sending requests without Authorization or Origin headers to non-loopback listeners can control agent instances, rewrite configurations including provider credentials, and manage cron jobs and MCP servers."}], "id": "CVE-2026-110616", "lastModified": "2026-10-14T15:17:13.767", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.2, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-10-14T15:17:13.767", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/nullclaw/nullhub"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/nullclaw/nullhub/blob/v2026.5.29/Dockerfile#L69-L71"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/nullclaw/nullhub/blob/v2026.5.29/src/api/settings.zig#L29-L54"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/nullclaw/nullhub/blob/v2026.5.29/src/server.zig#L546-L556"}, {"source": "disclosure@vulncheck.com", "url": "https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/rJrLma3izg"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/nullhub-through-2026.5.29-missing-authentication-for-api-management-api"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

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