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CVE-2026-7581

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
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:91b54826fb64b1afdb31e63563b3784de3aa54111c5060b827bb971db5f4388f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","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","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","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","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","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","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/metrics/2/cvssV3_0
cwe · 2 assertions

{"cweId":"CWE-942","description":"Permissive Cross-domain Policy with Untrusted Domains","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-346","description":"Origin Validation Error","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"modules":["CORS Policy"],"product":"MeTube","vendor":"alexta69","versions":[{"status":"affected","version":"2026.04.09"},{"status":"unaffected","version":"2026.04.10"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","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","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","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","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","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","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/metrics/2/cvssV3_0

CWE assertions

2 source assertions
{"cweId":"CWE-942","description":"Permissive Cross-domain Policy with Untrusted Domains","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-346","description":"Origin Validation Error","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/problemTypes/1/descriptions/0

Source references

8 source assertions
{"tags":["product"],"url":"https://github.com/alexta69/metube/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/references/7
{"tags":["patch"],"url":"https://github.com/alexta69/metube/commit/0072d3488ae5b8d922d3ee87458d829993742a32"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/references/5
{"tags":["issue-tracking","patch"],"url":"https://github.com/alexta69/metube/pull/949"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/references/4
{"tags":["patch"],"url":"https://github.com/alexta69/metube/releases/tag/2026.04.10"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/references/6
{"tags":["exploit"],"url":"https://github.com/az10b/security-advisories/blob/main/cors_MeTube.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/references/3
{"name":"Submit #801529 | alexta69 MeTube 2026.04.09 Permissive Cross-domain Policy with Untrusted Domains","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/801529"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/references/2
{"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"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/references/0
{"name":"VDB-360528 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/360528/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:568ed4dfc613c1b6ce659d92edb1f79cd54995d91ed7b6245eebc5e09555201f · sha256:c448cf9286e0ba30… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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