{"id":"CVE-2026-73844","state":"PUBLISHED","title":"CKAN MCP Server: Information disclosure via verbose error reflection","description":"CKAN MCP Server is a tool for querying CKAN open data portals. Prior to 0.4.112, error paths reflect raw upstream response bodies and internal exception messages back to the caller instead of a sanitized, generic message. When the server is pointed at (or redirected/SSRF'd to) a host that returns a non-CKAN response, or when an internal exception occurs, the caller receives verbatim upstream content and internal detail (hostnames, internal IPs, DB errors, stack fragments). This vulnerability is fixed in 0.4.112.","publishedAt":"2026-08-14T16:41:42.975Z","updatedAt":"2026-08-18T02:11:05.582Z","severity":{"score":3.7,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["ondata ckan-mcp-server"],"affected":[{"vendor":"ondata","product":"ckan-mcp-server","versions":[{"version":"< 0.4.112","status":"affected"}]}],"references":["https://github.com/ondata/ckan-mcp-server/security/advisories/GHSA-6f9w-9hf2-5rg3","https://github.com/ondata/ckan-mcp-server/commit/3b827af72b228d42aa7b0d7dac5347d16af3f4e5","https://github.com/ondata/ckan-mcp-server/releases/tag/v0.4.112"],"weaknesses":["CWE-209","CWE-210"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/73xxx/CVE-2026-73844.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73844","state":"PUBLISHED","datePublished":"2026-08-14T16:41:42.975Z","dateUpdated":"2026-08-18T02:11:05.582Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-08-13T17:44:28.643Z"},"containers":{"cna":{"title":"CKAN MCP Server: Information disclosure via verbose error reflection","descriptions":[{"lang":"en","value":"CKAN MCP Server is a tool for querying CKAN open data portals. Prior to 0.4.112, error paths reflect raw upstream response bodies and internal exception messages back to the caller instead of a sanitized, generic message. When the server is pointed at (or redirected/SSRF'd to) a host that returns a non-CKAN response, or when an internal exception occurs, the caller receives verbatim upstream content and internal detail (hostnames, internal IPs, DB errors, stack fragments). This vulnerability is fixed in 0.4.112."}],"affected":[{"vendor":"ondata","product":"ckan-mcp-server","versions":[{"version":"< 0.4.112","status":"affected"}]}],"references":[{"url":"https://github.com/ondata/ckan-mcp-server/security/advisories/GHSA-6f9w-9hf2-5rg3","name":"https://github.com/ondata/ckan-mcp-server/security/advisories/GHSA-6f9w-9hf2-5rg3","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/ondata/ckan-mcp-server/commit/3b827af72b228d42aa7b0d7dac5347d16af3f4e5","name":"https://github.com/ondata/ckan-mcp-server/commit/3b827af72b228d42aa7b0d7dac5347d16af3f4e5","tags":["x_refsource_MISC"]},{"url":"https://github.com/ondata/ckan-mcp-server/releases/tag/v0.4.112","name":"https://github.com/ondata/ckan-mcp-server/releases/tag/v0.4.112","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.7,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-209","lang":"en","description":"CWE-209: Generation of Error Message Containing Sensitive Information","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-210","lang":"en","description":"CWE-210: Self-generated Error Message Containing Sensitive Information","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-14T16:41:42.975Z"},"source":{"advisory":"GHSA-6f9w-9hf2-5rg3","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-18T02:10:56.111155Z","id":"CVE-2026-73844","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-18T02:11:05.582Z"}}]}}}