{"id":"CVE-2026-7581","state":"PUBLISHED","title":"alexta69 MeTube CORS Policy main.py on_prepare cross-domain policy","description":"A security vulnerability has been detected in alexta69 MeTube up to 2026.04.09. This affects the function on_prepare of the file app/main.py of the component CORS Policy. The manipulation leads to permissive cross-domain policy with untrusted domains. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2026.04.10 is able to mitigate this issue. The identifier of the patch is 0072d3488ae5b8d922d3ee87458d829993742a32. It is recommended to upgrade the affected component.","publishedAt":"2026-05-01T13:00:21.405Z","updatedAt":"2026-05-01T13:21:54.395Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["alexta69 MeTube"],"affected":[{"vendor":"alexta69","product":"MeTube","versions":[{"version":"2026.04.09","status":"affected"},{"version":"2026.04.10","status":"unaffected"}],"modules":["CORS Policy"]}],"references":["https://vuldb.com/vuln/360528","https://vuldb.com/vuln/360528/cti","https://vuldb.com/submit/801529","https://github.com/az10b/security-advisories/blob/main/cors_MeTube.md","https://github.com/alexta69/metube/pull/949","https://github.com/alexta69/metube/commit/0072d3488ae5b8d922d3ee87458d829993742a32","https://github.com/alexta69/metube/releases/tag/2026.04.10","https://github.com/alexta69/metube/"],"weaknesses":["CWE-942","CWE-346"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/7xxx/CVE-2026-7581.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-7581","state":"PUBLISHED","datePublished":"2026-05-01T13:00:21.405Z","dateUpdated":"2026-05-01T13:21:54.395Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-05-01T06:52:25.141Z"},"containers":{"cna":{"title":"alexta69 MeTube CORS Policy main.py on_prepare cross-domain policy","descriptions":[{"lang":"en","value":"A security vulnerability has been detected in alexta69 MeTube up to 2026.04.09. This affects the function on_prepare of the file app/main.py of the component CORS Policy. The manipulation leads to permissive cross-domain policy with untrusted domains. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2026.04.10 is able to mitigate this issue. The identifier of the patch is 0072d3488ae5b8d922d3ee87458d829993742a32. It is recommended to upgrade the affected component."}],"affected":[{"vendor":"alexta69","product":"MeTube","versions":[{"version":"2026.04.09","status":"affected"},{"version":"2026.04.10","status":"unaffected"}],"modules":["CORS Policy"]}],"references":[{"url":"https://vuldb.com/vuln/360528","name":"VDB-360528 | alexta69 MeTube CORS Policy main.py on_prepare cross-domain policy","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/360528/cti","name":"VDB-360528 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/801529","name":"Submit #801529 | alexta69 MeTube 2026.04.09 Permissive Cross-domain Policy with Untrusted Domains","tags":["third-party-advisory"]},{"url":"https://github.com/az10b/security-advisories/blob/main/cors_MeTube.md","tags":["exploit"]},{"url":"https://github.com/alexta69/metube/pull/949","tags":["issue-tracking","patch"]},{"url":"https://github.com/alexta69/metube/commit/0072d3488ae5b8d922d3ee87458d829993742a32","tags":["patch"]},{"url":"https://github.com/alexta69/metube/releases/tag/2026.04.10","tags":["patch"]},{"url":"https://github.com/alexta69/metube/","tags":["product"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":5.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":4.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":4.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:OF/RC:C"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-942","type":"CWE","lang":"en","description":"Permissive Cross-domain Policy with Untrusted Domains"}]},{"descriptions":[{"cweId":"CWE-346","type":"CWE","lang":"en","description":"Origin Validation Error"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-05-01T13:00:21.405Z"},"timeline":[{"time":"2026-05-01T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-05-01T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-05-01T08:57:30.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"AliAz (VulDB User)","type":"reporter"}],"tags":["x_open-source"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-01T13:21:46.370834Z","id":"CVE-2026-7581","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":"2026-05-01T13:21:54.395Z"}}]}}}