CVE-2026-54547

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54547", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-15T19:04:14.456Z", "datePublished": "2026-09-15T17:17:17.216Z", "dateUpdated": "2026-09-17T16:23:45.439Z"}, "containers": {"cna": {"title": "Meta Ads MCP: X-Pipeboard-Token Header Auth Bypass Reuses Operator Meta Token", "problemTypes": [{"descriptions": [{"cweId": "CWE-287", "lang": "en", "description": "CWE-287: Improper Authentication", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "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:N", "version": "3.1"}}], "references": [{"name": "https://github.com/pipeboard-co/meta-ads-mcp/security/advisories/GHSA-2v2f-mvfg-ph56", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/pipeboard-co/meta-ads-mcp/security/advisories/GHSA-2v2f-mvfg-ph56"}, {"name": "https://github.com/pipeboard-co/meta-ads-mcp/pull/137", "tags": ["x_refsource_MISC"], "url": "https://github.com/pipeboard-co/meta-ads-mcp/pull/137"}, {"name": "https://github.com/pipeboard-co/meta-ads-mcp/commit/95e852793b7ff8604a8132e85d5facd08c91a36e", "tags": ["x_refsource_MISC"], "url": "https://github.com/pipeboard-co/meta-ads-mcp/commit/95e852793b7ff8604a8132e85d5facd08c91a36e"}, {"name": "https://github.com/pipeboard-co/meta-ads-mcp/releases/tag/1.0.115", "tags": ["x_refsource_MISC"], "url": "https://github.com/pipeboard-co/meta-ads-mcp/releases/tag/1.0.115"}], "affected": [{"vendor": "pipeboard-co", "product": "meta-ads-mcp", "versions": [{"version": "< 1.0.115", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-15T17:17:17.216Z"}, "descriptions": [{"lang": "en", "value": "Meta Ads MCP is a Model Context Protocol (MCP) server that lets AI assistants run Meta Ads. Prior to version 1.0.115, AuthInjectionMiddleware in meta_ads_mcp/core/http_auth_integration.py rejects HTTP MCP requests only when both auth_token and pipeboard_token are absent, while extract_token_from_headers() does not recognize X-Pipeboard-Token as a primary credential. A network caller using the streamable-http transport can therefore send any X-Pipeboard-Token value, pass the guard without establishing authentication context, and cause get_auth_token() to fall back to the server operator's META_ACCESS_TOKEN. Subsequent MCP tools execute with the operator's Meta credentials and can read or modify the operator's Meta Ads data. Deployments using the default stdio transport or without META_ACCESS_TOKEN are not affected. This issue is fixed in version 1.0.115."}], "source": {"advisory": "GHSA-2v2f-mvfg-ph56", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/pipeboard-co/meta-ads-mcp/security/advisories/GHSA-2v2f-mvfg-ph56", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-17T16:23:11.846498Z", "id": "CVE-2026-54547", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-17T16:23:45.439Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-54547", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-09-17T16:23:11.846498Z"}}}], "references": [{"url": "https://github.com/pipeboard-co/meta-ads-mcp/security/advisories/GHSA-2v2f-mvfg-ph56", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-17T16:23:39.473Z"}}], "cna": {"title": "Meta Ads MCP: X-Pipeboard-Token Header Auth Bypass Reuses Operator Meta Token", "source": {"advisory": "GHSA-2v2f-mvfg-ph56", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.4, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "pipeboard-co", "product": "meta-ads-mcp", "versions": [{"status": "affected", "version": "< 1.0.115"}]}], "references": [{"url": "https://github.com/pipeboard-co/meta-ads-mcp/security/advisories/GHSA-2v2f-mvfg-ph56", "name": "https://github.com/pipeboard-co/meta-ads-mcp/security/advisories/GHSA-2v2f-mvfg-ph56", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/pipeboard-co/meta-ads-mcp/pull/137", "name": "https://github.com/pipeboard-co/meta-ads-mcp/pull/137", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/pipeboard-co/meta-ads-mcp/commit/95e852793b7ff8604a8132e85d5facd08c91a36e", "name": "https://github.com/pipeboard-co/meta-ads-mcp/commit/95e852793b7ff8604a8132e85d5facd08c91a36e", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/pipeboard-co/meta-ads-mcp/releases/tag/1.0.115", "name": "https://github.com/pipeboard-co/meta-ads-mcp/releases/tag/1.0.115", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Meta Ads MCP is a Model Context Protocol (MCP) server that lets AI assistants run Meta Ads. Prior to version 1.0.115, AuthInjectionMiddleware in meta_ads_mcp/core/http_auth_integration.py rejects HTTP MCP requests only when both auth_token and pipeboard_token are absent, while extract_token_from_headers() does not recognize X-Pipeboard-Token as a primary credential. A network caller using the streamable-http transport can therefore send any X-Pipeboard-Token value, pass the guard without establishing authentication context, and cause get_auth_token() to fall back to the server operator's META_ACCESS_TOKEN. Subsequent MCP tools execute with the operator's Meta credentials and can read or modify the operator's Meta Ads data. Deployments using the default stdio transport or without META_ACCESS_TOKEN are not affected. This issue is fixed in version 1.0.115."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-287", "description": "CWE-287: Improper Authentication"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-15T17:17:17.216Z"}}}, "cveMetadata": {"cveId": "CVE-2026-54547", "state": "PUBLISHED", "dateUpdated": "2026-09-17T16:23:45.439Z", "dateReserved": "2026-06-15T19:04:14.456Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-09-15T17:17:17.216Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "meta-ads-mcp", "vendor": "pipeboard-co", "versions": [{"status": "affected", "version": "< 1.0.115"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Meta Ads MCP is a Model Context Protocol (MCP) server that lets AI assistants run Meta Ads. Prior to version 1.0.115, AuthInjectionMiddleware in meta_ads_mcp/core/http_auth_integration.py rejects HTTP MCP requests only when both auth_token and pipeboard_token are absent, while extract_token_from_headers() does not recognize X-Pipeboard-Token as a primary credential. A network caller using the streamable-http transport can therefore send any X-Pipeboard-Token value, pass the guard without establishing authentication context, and cause get_auth_token() to fall back to the server operator's META_ACCESS_TOKEN. Subsequent MCP tools execute with the operator's Meta credentials and can read or modify the operator's Meta Ads data. Deployments using the default stdio transport or without META_ACCESS_TOKEN are not affected. This issue is fixed in version 1.0.115."}], "id": "CVE-2026-54547", "lastModified": "2026-09-30T17:51:56.193", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "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:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-54547", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-17T16:23:11.846498Z", "version": "2.0.3"}}]}, "published": "2026-09-15T18:17:22.927", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/pipeboard-co/meta-ads-mcp/commit/95e852793b7ff8604a8132e85d5facd08c91a36e"}, {"source": "security-advisories@github.com", "url": "https://github.com/pipeboard-co/meta-ads-mcp/pull/137"}, {"source": "security-advisories@github.com", "url": "https://github.com/pipeboard-co/meta-ads-mcp/releases/tag/1.0.115"}, {"source": "security-advisories@github.com", "url": "https://github.com/pipeboard-co/meta-ads-mcp/security/advisories/GHSA-2v2f-mvfg-ph56"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/pipeboard-co/meta-ads-mcp/security/advisories/GHSA-2v2f-mvfg-ph56"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.0.115)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "meta-ads-mcp", "source": "cna", "vendor": "pipeboard-co"}, "product": "meta-ads-mcp", "vendor": "pipeboard-co"}], "created": "2026-09-15T21:00:17.141002+00:00", "updated": "2026-09-20T15:00:11.791666+00:00", "vendors": ["pipeboard-co", "pipeboard-co$PRODUCT$meta-ads-mcp"]}