{"api_version":"1","generated_at":"2026-11-02T16:13:21+00:00","cve":"CVE-2026-62264","urls":{"html":"https://cve.report/CVE-2026-62264","api":"https://cve.report/api/cve/CVE-2026-62264.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-62264","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-62264"},"summary":{"title":"PDF Reader MCP: HTTP transport accepts unauthenticated requests despite a configured MCP_API_KEY","description":"PDF Reader MCP is a Model Context Protocol server for reading PDF documents. In versions 2.2.0 and later prior to 3.0.1, when `MCP_TRANSPORT=http` enables the opt-in HTTP server, `@sylphx/pdf-reader-mcp` reads `MCP_API_KEY` and logs that `X-API-Key` authentication is enabled but never validates the `X-API-Key` header on incoming requests. The `/mcp` endpoint consequently accepts unauthenticated clients. With the default bind address of `0.0.0.0`, any client able to reach the port can invoke every PDF tool and read any PDF the server process can open on the host, despite the misleading authentication-enabled startup log. URL-based sources additionally permit limited server-side request forgery; private and loopback destinations are blocked by default unless `--allow-private-ips` is set. The default `stdio` transport is unaffected. This issue is fixed in version 3.0.1.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-10-30 19:18:32","updated_at":"2026-10-30 19:39:14"},"problem_types":["CWE-200","CWE-287","CWE-306","CWE-200 CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","CWE-287 CWE-287: Improper Authentication","CWE-306 CWE-306: Missing Authentication for Critical Function"],"metrics":[{"version":"3.1","source":"security-advisories@github.com","type":"Secondary","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}}],"references":[{"url":"https://github.com/SylphxAI/anymd/commit/4c35f72862d729301e3912ab8c8317d2828cf4c2","name":"https://github.com/SylphxAI/anymd/commit/4c35f72862d729301e3912ab8c8317d2828cf4c2","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/SylphxAI/anymd/security/advisories/GHSA-q344-5v34-gm84","name":"https://github.com/SylphxAI/anymd/security/advisories/GHSA-q344-5v34-gm84","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/SylphxAI/anymd/tree/v3.0.1","name":"https://github.com/SylphxAI/anymd/tree/v3.0.1","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/SylphxAI/anymd/pull/332","name":"https://github.com/SylphxAI/anymd/pull/332","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-62264","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-62264","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"SylphxAI","product":"pdf-reader-mcp","version":"affected >= 2.2.0, < 3.0.1","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"62264","cve":"CVE-2026-62264","epss":"0.004520000","percentile":"0.392840000","score_date":"2026-11-01","updated_at":"2026-11-02 00:05:53"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"product":"pdf-reader-mcp","vendor":"SylphxAI","versions":[{"status":"affected","version":">= 2.2.0, < 3.0.1"}]}],"descriptions":[{"lang":"en","value":"PDF Reader MCP is a Model Context Protocol server for reading PDF documents. In versions 2.2.0 and later prior to 3.0.1, when `MCP_TRANSPORT=http` enables the opt-in HTTP server, `@sylphx/pdf-reader-mcp` reads `MCP_API_KEY` and logs that `X-API-Key` authentication is enabled but never validates the `X-API-Key` header on incoming requests. The `/mcp` endpoint consequently accepts unauthenticated clients. With the default bind address of `0.0.0.0`, any client able to reach the port can invoke every PDF tool and read any PDF the server process can open on the host, despite the misleading authentication-enabled startup log. URL-based sources additionally permit limited server-side request forgery; private and loopback destinations are blocked by default unless `--allow-private-ips` is set. The default `stdio` transport is unaffected. This issue is fixed in version 3.0.1."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-287","description":"CWE-287: Improper Authentication","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-306","description":"CWE-306: Missing Authentication for Critical Function","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-10-30T18:32:18.093Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"name":"https://github.com/SylphxAI/anymd/security/advisories/GHSA-q344-5v34-gm84","tags":["x_refsource_CONFIRM"],"url":"https://github.com/SylphxAI/anymd/security/advisories/GHSA-q344-5v34-gm84"},{"name":"https://github.com/SylphxAI/anymd/pull/332","tags":["x_refsource_MISC"],"url":"https://github.com/SylphxAI/anymd/pull/332"},{"name":"https://github.com/SylphxAI/anymd/commit/4c35f72862d729301e3912ab8c8317d2828cf4c2","tags":["x_refsource_MISC"],"url":"https://github.com/SylphxAI/anymd/commit/4c35f72862d729301e3912ab8c8317d2828cf4c2"},{"name":"https://github.com/SylphxAI/anymd/tree/v3.0.1","tags":["x_refsource_MISC"],"url":"https://github.com/SylphxAI/anymd/tree/v3.0.1"}],"source":{"advisory":"GHSA-q344-5v34-gm84","discovery":"UNKNOWN"},"title":"PDF Reader MCP: HTTP transport accepts unauthenticated requests despite a configured MCP_API_KEY"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-62264","datePublished":"2026-10-30T18:32:18.093Z","dateReserved":"2026-07-13T17:09:57.574Z","dateUpdated":"2026-10-30T18:32:18.093Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-30 19:18:32","lastModifiedDate":"2026-10-30 19:39:14","problem_types":["CWE-200","CWE-287","CWE-306","CWE-200 CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","CWE-287 CWE-287: Improper Authentication","CWE-306 CWE-306: Missing Authentication for Critical Function"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":3.6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"62264","Ordinal":"1","Title":"PDF Reader MCP: HTTP transport accepts unauthenticated requests ","CVE":"CVE-2026-62264","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"62264","Ordinal":"1","NoteData":"PDF Reader MCP is a Model Context Protocol server for reading PDF documents. In versions 2.2.0 and later prior to 3.0.1, when `MCP_TRANSPORT=http` enables the opt-in HTTP server, `@sylphx/pdf-reader-mcp` reads `MCP_API_KEY` and logs that `X-API-Key` authentication is enabled but never validates the `X-API-Key` header on incoming requests. The `/mcp` endpoint consequently accepts unauthenticated clients. With the default bind address of `0.0.0.0`, any client able to reach the port can invoke every PDF tool and read any PDF the server process can open on the host, despite the misleading authentication-enabled startup log. URL-based sources additionally permit limited server-side request forgery; private and loopback destinations are blocked by default unless `--allow-private-ips` is set. The default `stdio` transport is unaffected. This issue is fixed in version 3.0.1.","Type":"Description","Title":"PDF Reader MCP: HTTP transport accepts unauthenticated requests "}]}}}