{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-105139", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-03T13:40:47.067Z", "datePublished": "2026-10-07T12:18:33.174Z", "dateUpdated": "2026-10-07T12:35:49.684Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-07T12:35:49.684Z"}, "datePublic": "2026-09-25T00:00:00.000Z", "title": "Obot 0.26.0 before 0.26.2 Authorization Bypass via vMCP Profile Prompts and Resources", "descriptions": [{"lang": "en", "value": "Obot 0.26.0 before 0.26.2 contains an authorization bypass vulnerability that allows authenticated users matching any vMCP profile to reach prompts and resources of ungranted components. Because profiles were enforced only on tools, attackers can access prompts, resources, and resource templates through the vMCP owner's shared component connection."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Incorrect Authorization", "cweId": "CWE-863", "type": "CWE"}]}], "affected": [{"vendor": "obot-platform", "product": "obot", "defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/obot-platform/obot", "versions": [{"version": "0.26.0", "lessThan": "0.26.2", "status": "affected", "versionType": "semver"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/obot-platform/obot/commit/8d92701c2018a7b9dd6d692498fa5f41fdb912ea", "tags": ["patch"], "name": "Patch Commit"}, {"url": "https://github.com/obot-platform/obot", "tags": ["product"]}, {"url": "https://github.com/obot-platform/obot/security/advisories/GHSA-xhpw-65qw-wj6m", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-xhpw-65qw-wj6m)"}, {"url": "https://github.com/obot-platform/obot/releases/tag/v0.26.2", "tags": ["release-notes"], "name": "obot v0.26.2 Release Notes"}, {"url": "https://github.com/obot-platform/obot/blob/8cfac5d38baa4fa0719e7975b7542608ff8bc932/pkg/mcp/vmcp.go#L97", "tags": ["technical-description"]}, {"url": "https://github.com/obot-platform/obot/blob/8cfac5d38baa4fa0719e7975b7542608ff8bc932/pkg/mcp/vmcp.go#L231", "tags": ["technical-description"]}, {"name": "VulnCheck Advisory: Obot 0.26.0 before 0.26.2 Authorization Bypass via vMCP Profile Prompts and Resources", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/obot-0.26.0-before-0.26.2-authorization-bypass-via-vmcp-profile-prompts-and-resources"}], "credits": [{"lang": "en", "value": "Scott Moore - VulnCheck", "type": "finder"}], "x_generator": {"engine": "scooter"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/obot-platform/obot", "product": "obot", "vendor": "obot-platform", "versions": [{"lessThan": "0.26.2", "status": "affected", "version": "0.26.0", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Obot 0.26.0 before 0.26.2 contains an authorization bypass vulnerability that allows authenticated users matching any vMCP profile to reach prompts and resources of ungranted components. Because profiles were enforced only on tools, attackers can access prompts, resources, and resource templates through the vMCP owner's shared component connection."}], "id": "CVE-2026-105139", "lastModified": "2026-10-07T13:17:19.540", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "baseSeverity": "MEDIUM", "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": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-10-07T13:17:19.303", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/obot-platform/obot"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/obot-platform/obot/blob/8cfac5d38baa4fa0719e7975b7542608ff8bc932/pkg/mcp/vmcp.go#L231"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/obot-platform/obot/blob/8cfac5d38baa4fa0719e7975b7542608ff8bc932/pkg/mcp/vmcp.go#L97"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/obot-platform/obot/commit/8d92701c2018a7b9dd6d692498fa5f41fdb912ea"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/obot-platform/obot/releases/tag/v0.26.2"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/obot-platform/obot/security/advisories/GHSA-xhpw-65qw-wj6m"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/obot-0.26.0-before-0.26.2-authorization-bypass-via-vmcp-profile-prompts-and-resources"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.26.0,0.26.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "obot", "source": "cna", "vendor": "obot-platform"}, "product": "obot", "vendor": "obot-platform"}], "created": "2026-10-07T13:30:16.871179+00:00", "updated": "2026-10-07T13:30:16.871218+00:00", "vendors": ["obot-platform", "obot-platform$PRODUCT$obot"]}