{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74858", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-08-17T09:50:57.006Z", "datePublished": "2026-08-17T15:15:16.803Z", "dateUpdated": "2026-08-17T15:15:16.803Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-08-17T15:15:16.803Z"}, "title": "jae-jae fetcher-mcp URL Validation security-credentials fetch_urls server-side request forgery", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-918", "lang": "en", "description": "Server-Side Request Forgery"}]}], "affected": [{"vendor": "jae-jae", "product": "fetcher-mcp", "versions": [{"version": "0.3.0", "status": "affected"}, {"version": "0.3.1", "status": "affected"}, {"version": "0.3.2", "status": "affected"}, {"version": "0.3.3", "status": "affected"}, {"version": "0.3.4", "status": "affected"}, {"version": "0.3.5", "status": "affected"}, {"version": "0.3.6", "status": "affected"}, {"version": "0.3.7", "status": "affected"}, {"version": "0.3.8", "status": "affected"}, {"version": "0.3.9", "status": "affected"}], "cpes": ["cpe:2.3:a:jae-jae:fetcher-mcp:*:*:*:*:*:*:*:*"], "modules": ["URL Validation"]}], "descriptions": [{"lang": "en", "value": "A vulnerability has been found in jae-jae fetcher-mcp up to 0.3.9. Impacted is the function fetch_url/fetch_urls of the file /latest/meta-data/iam/security-credentials/ of the component URL Validation. Such manipulation leads to server-side request forgery. It is possible to launch the attack remotely. The project was informed of the problem early through an issue report but has not responded yet."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 6.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 6.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:ND/RC:C"}}], "timeline": [{"time": "2026-08-17T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-08-17T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-08-17T11:56:03.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "xiaobu (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/391221", "name": "VDB-391221 | jae-jae fetcher-mcp URL Validation security-credentials fetch_urls server-side request forgery", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/391221/cti", "name": "VDB-391221 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-74858", "name": "CVE-2026-74858 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/876015", "name": "Submit #876015 | jae-jae fetcher-mcp 0.3.9 non-blind SSRF", "tags": ["third-party-advisory"]}, {"url": "https://github.com/jae-jae/fetcher-mcp/issues/37", "tags": ["broken-link", "issue-tracking"]}, {"url": "https://github.com/jae-jae/fetcher-mcp/", "tags": ["product"]}], "x_generator": ["VulDB PVTS v202608"]}}}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:jae-jae:fetcher-mcp:*:*:*:*:*:*:*:*"], "modules": ["URL Validation"], "product": "fetcher-mcp", "vendor": "jae-jae", "versions": [{"status": "affected", "version": "0.3.0"}, {"status": "affected", "version": "0.3.1"}, {"status": "affected", "version": "0.3.2"}, {"status": "affected", "version": "0.3.3"}, {"status": "affected", "version": "0.3.4"}, {"status": "affected", "version": "0.3.5"}, {"status": "affected", "version": "0.3.6"}, {"status": "affected", "version": "0.3.7"}, {"status": "affected", "version": "0.3.8"}, {"status": "affected", "version": "0.3.9"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been found in jae-jae fetcher-mcp up to 0.3.9. Impacted is the function fetch_url/fetch_urls of the file /latest/meta-data/iam/security-credentials/ of the component URL Validation. Such manipulation leads to server-side request forgery. It is possible to launch the attack remotely. The project was informed of the problem early through an issue report but has not responded yet."}], "id": "CVE-2026-74858", "lastModified": "2026-08-17T16:17:49.307", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "source": "cna@vuldb.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:L/VA:L/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": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}]}, "published": "2026-08-17T16:17:49.307", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/jae-jae/fetcher-mcp/"}, {"source": "cna@vuldb.com", "url": "https://github.com/jae-jae/fetcher-mcp/issues/37"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/cve/CVE-2026-74858"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/876015"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/391221"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/391221/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "cna@vuldb.com", "type": "Primary"}]}

{}

{"created": "2026-08-17T16:45:04.832111+00:00", "updated": "2026-08-17T16:45:04.832118+00:00", "vendors": []}