{"id":"CVE-2026-74858","state":"PUBLISHED","title":"jae-jae fetcher-mcp URL Validation security-credentials fetch_urls server-side request forgery","description":"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.","publishedAt":"2026-08-17T15:15:16.803Z","updatedAt":"2026-08-18T13:37:10.578Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"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","source":"VulDB"},"assigner":"VulDB","products":["jae-jae fetcher-mcp"],"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"]}],"references":["https://vuldb.com/vuln/391221","https://vuldb.com/vuln/391221/cti","https://vuldb.com/cve/CVE-2026-74858","https://vuldb.com/submit/876015","https://github.com/jae-jae/fetcher-mcp/issues/37","https://github.com/jae-jae/fetcher-mcp/"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/74xxx/CVE-2026-74858.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-74858","state":"PUBLISHED","datePublished":"2026-08-17T15:15:16.803Z","dateUpdated":"2026-08-18T13:37:10.578Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-08-17T09:50:57.006Z"},"containers":{"cna":{"title":"jae-jae fetcher-mcp URL Validation security-credentials fetch_urls server-side request forgery","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."}],"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"]}],"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"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","type":"CWE","lang":"en","description":"Server-Side Request Forgery"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-08-17T15:15:16.803Z"},"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"}],"x_generator":["VulDB PVTS v202608"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-18T13:05:51.913208Z","id":"CVE-2026-74858","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-18T13:37:10.578Z"}}]}}}