{"items":[{"id":"NVI-00008134","kind":"vulnerability","title":"CodeIgniter: Uploaded file extension validation bypass in `is_image` and `mime_in` rules","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-mmj4-63m4-r6h5","CVE-2026-63223"],"plain_summary":"OSV carries this publisher advisory for codeigniter4/framework. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 4.7.4 for codeigniter4/framework. Confirm the publisher’s latest guidance.","source_ids":["sr-f759cdb60cd0e75988d6f2773e42dd2e"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-0e8833f34c7011b1373dbe634b787348"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-08T20:51:43.490Z","value":"9.8 CRITICAL (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-36383e679fd74103cb6241a0f6a40e1e"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.800%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.56685. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-63223","publisher":"FIRST EPSS","observed_at":"2026-11-04T23:33:33.057Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-f759cdb60cd0e75988d6f2773e42dd2e"],"technology":"codeigniter4/framework","known_exclusions":[],"conditions_summary":"### Impact\nThis is an unsafe file upload validation vulnerability that can lead to remote code execution in vulnerable application configurations.\n\nApplications are impacted when they:\n- validate uploads using `is_image` or `mime_in` without an independent safe extension check, such as `ext_in` on patched versions\n- save uploaded files using the client-supplied filename\n- place uploads in a web-accessible directory where PHP files can execute\n\n### Patches\nUpgrade to v4.7.4 or later.\n\n### Workarounds\n- Save uploads outside the public web root, preferably under `writable/uploads`.\n- Use `$file->store()` or `$file->move($path, $file->getRandomName())` instead of preserving the original client filename.\n- Disable script execution in any public upload directory.\n- Manually verify the client filename extension before moving the file.\n- For image uploads, reject files when `$file->getClientExtension()` is not an allowed image extension.\n- For exact MIME-type validation, reject files when `$file->getClientExtension()` does not match `$file->guessExtension()`.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.7.4"]}],"null_published_at":"2026-11-07T14:02:01.388Z","source_updated_at":"2026-08-07T18:31:29.628Z","source_disclosed_at":"2026-08-07T18:24:21.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:30.981Z"},{"id":"NVI-00008134","kind":"vulnerability","title":"CodeIgniter: Uploaded file extension validation bypass in `is_image` and `mime_in` rules","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-mmj4-63m4-r6h5","CVE-2026-63223"],"plain_summary":"OSV carries this publisher advisory for codeigniter4/framework. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 4.7.4 for codeigniter4/framework. Confirm the publisher’s latest guidance.","source_ids":["sr-f759cdb60cd0e75988d6f2773e42dd2e"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-af0be30e347c8780df5452dd165b8de6"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-08T20:51:43.490Z","value":"9.8 CRITICAL (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-36383e679fd74103cb6241a0f6a40e1e"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.800%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.56585. Missing scores are unknown.","source_id":"sr-af0be30e347c8780df5452dd165b8de6"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-f759cdb60cd0e75988d6f2773e42dd2e","url":"https://github.com/advisories/GHSA-mmj4-63m4-r6h5","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-mmj4-63m4-r6h5","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.981Z"},{"id":"sr-36383e679fd74103cb6241a0f6a40e1e","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63223","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-63223","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-04T02:47:38.696Z"},{"id":"sr-af0be30e347c8780df5452dd165b8de6","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-63223","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.384Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-f759cdb60cd0e75988d6f2773e42dd2e"],"technology":"codeigniter4/framework","known_exclusions":[],"conditions_summary":"### Impact\nThis is an unsafe file upload validation vulnerability that can lead to remote code execution in vulnerable application configurations.\n\nApplications are impacted when they:\n- validate uploads using `is_image` or `mime_in` without an independent safe extension check, such as `ext_in` on patched versions\n- save uploaded files using the client-supplied filename\n- place uploads in a web-accessible directory where PHP files can execute\n\n### Patches\nUpgrade to v4.7.4 or later.\n\n### Workarounds\n- Save uploads outside the public web root, preferably under `writable/uploads`.\n- Use `$file->store()` or `$file->move($path, $file->getRandomName())` instead of preserving the original client filename.\n- Disable script execution in any public upload directory.\n- Manually verify the client filename extension before moving the file.\n- For image uploads, reject files when `$file->getClientExtension()` is not an allowed image extension.\n- For exact MIME-type validation, reject files when `$file->getClientExtension()` does not match `$file->guessExtension()`.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.7.4"]}],"null_published_at":"2026-11-05T03:52:54.769Z","source_updated_at":"2026-08-07T18:31:29.628Z","source_disclosed_at":"2026-08-07T18:24:21.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:30.981Z"},{"id":"NVI-00008134","kind":"vulnerability","title":"CodeIgniter: Uploaded file extension validation bypass in `is_image` and `mime_in` rules","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-mmj4-63m4-r6h5","CVE-2026-63223"],"plain_summary":"OSV carries this publisher advisory for codeigniter4/framework. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 4.7.4 for codeigniter4/framework. Confirm the publisher’s latest guidance.","source_ids":["sr-f759cdb60cd0e75988d6f2773e42dd2e"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-36383e679fd74103cb6241a0f6a40e1e"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-08T20:51:43.490Z","value":"9.8 CRITICAL (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-36383e679fd74103cb6241a0f6a40e1e"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-f759cdb60cd0e75988d6f2773e42dd2e","url":"https://github.com/advisories/GHSA-mmj4-63m4-r6h5","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-mmj4-63m4-r6h5","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.981Z"},{"id":"sr-36383e679fd74103cb6241a0f6a40e1e","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63223","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-63223","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-04T02:47:38.696Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-f759cdb60cd0e75988d6f2773e42dd2e"],"technology":"codeigniter4/framework","known_exclusions":[],"conditions_summary":"### Impact\nThis is an unsafe file upload validation vulnerability that can lead to remote code execution in vulnerable application configurations.\n\nApplications are impacted when they:\n- validate uploads using `is_image` or `mime_in` without an independent safe extension check, such as `ext_in` on patched versions\n- save uploaded files using the client-supplied filename\n- place uploads in a web-accessible directory where PHP files can execute\n\n### Patches\nUpgrade to v4.7.4 or later.\n\n### Workarounds\n- Save uploads outside the public web root, preferably under `writable/uploads`.\n- Use `$file->store()` or `$file->move($path, $file->getRandomName())` instead of preserving the original client filename.\n- Disable script execution in any public upload directory.\n- Manually verify the client filename extension before moving the file.\n- For image uploads, reject files when `$file->getClientExtension()` is not an allowed image extension.\n- For exact MIME-type validation, reject files when `$file->getClientExtension()` does not match `$file->guessExtension()`.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.7.4"]}],"null_published_at":"2026-11-04T10:04:35.931Z","source_updated_at":"2026-08-07T18:31:29.628Z","source_disclosed_at":"2026-08-07T18:24:21.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:30.981Z"},{"id":"NVI-00008134","kind":"vulnerability","title":"CodeIgniter: Uploaded file extension validation bypass in `is_image` and `mime_in` rules","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mmj4-63m4-r6h5","CVE-2026-63223"],"plain_summary":"OSV carries this publisher advisory for codeigniter4/framework. 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This report has not examined your application.","related_sources":[{"id":"sr-f759cdb60cd0e75988d6f2773e42dd2e","url":"https://github.com/advisories/GHSA-mmj4-63m4-r6h5","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-mmj4-63m4-r6h5","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.981Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-f759cdb60cd0e75988d6f2773e42dd2e"],"technology":"codeigniter4/framework","known_exclusions":[],"conditions_summary":"### Impact\nThis is an unsafe file upload validation vulnerability that can lead to remote code execution in vulnerable application configurations.\n\nApplications are impacted when they:\n- validate uploads using `is_image` or `mime_in` without an independent safe extension check, such as `ext_in` on patched versions\n- save uploaded files using the client-supplied filename\n- place uploads in a web-accessible directory where PHP files can execute\n\n### Patches\nUpgrade to v4.7.4 or later.\n\n### Workarounds\n- Save uploads outside the public web root, preferably under `writable/uploads`.\n- Use `$file->store()` or `$file->move($path, $file->getRandomName())` instead of preserving the original client filename.\n- Disable script execution in any public upload directory.\n- Manually verify the client filename extension before moving the file.\n- For image uploads, reject files when `$file->getClientExtension()` is not an allowed image extension.\n- For exact MIME-type validation, reject files when `$file->getClientExtension()` does not match `$file->guessExtension()`.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.7.4"]}],"null_published_at":"2026-10-31T22:13:22.831Z","source_updated_at":"2026-08-07T18:31:29.628Z","source_disclosed_at":"2026-08-07T18:24:21.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:42:30.981Z"}],"next_cursor":null,"snapshot_revision":"42594"}