{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-5276", "assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "state": "PUBLISHED", "assignerShortName": "snyk", "dateReserved": "2025-05-27T14:00:31.881Z", "datePublished": "2025-05-29T05:00:05.001Z", "dateUpdated": "2026-07-11T15:25:24.497Z" }, "containers": { "cna": { "metrics": [ { "cvssV3_1": { "version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "exploitCodeMaturity": "PROOF_OF_CONCEPT", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:P" }, "cvssV4_0": { "version": "4.0", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "privilegesRequired": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:P" } } ], "credits": [ { "value": "Raul Onitza-Klugman (Snyk Security Research)", "lang": "en" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-918", "description": "Server-Side Request Forgery (SSRF)", "lang": "en" } ] } ], "providerMetadata": { "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk", "dateUpdated": "2026-07-11T15:25:24.497Z" }, "descriptions": [ { "value": "Versions of the package mcp-markdownify-server before 1.0.0 are vulnerable to Server-Side Request Forgery (SSRF) via the Markdownify.get() function. An attacker can craft a prompt that, once accessed by the MCP host, can invoke the webpage-to-markdown, bing-search-to-markdown, and youtube-to-markdown tools to issue requests and read the responses to attacker-controlled URLs, potentially leaking sensitive information.", "lang": "en" } ], "references": [ { "url": "https://security.snyk.io/vuln/SNYK-JS-MCPMARKDOWNIFYSERVER-10249387" }, { "url": "https://github.com/zcaceres/markdownify-mcp/commit/0284aa8f34d32c65e20d8cda2d429b7943c9af03" }, { "url": "https://github.com/zcaceres/markdownify-mcp/blob/224cf89f0d58616d2a5522f60f184e8391d1c9e3/src/server.ts%23L20C17-L20C29" } ], "affected": [ { "product": "mcp-markdownify-server", "versions": [ { "version": "0", "lessThan": "1.0.0", "status": "affected", "versionType": "semver" } ], "vendor": "n/a" } ] }, "adp": [ { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-918", "lang": "en", "description": "CWE-918 Server-Side Request Forgery (SSRF)" } ] } ], "references": [ { "url": "https://security.snyk.io/vuln/SNYK-JS-MCPMARKDOWNIFYSERVER-10249387", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2025-05-29T13:15:35.573430Z", "id": "CVE-2025-5276", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-05-29T13:15:39.177Z" } } ] } }