{"items":[{"id":"NVI-00003610","kind":"vulnerability","title":"Time-of-check Time-of-use (TOCTOU) Race Condition in league/flysystem","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-9f46-5r25-5wfm","CVE-2021-32708"],"plain_summary":"OSV carries this publisher advisory for league/flysystem, league/flysystem. 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 1.1.4 for league/flysystem. Confirm the publisher’s latest guidance.","source_ids":["sr-44a2de61a75a3d370caee0ca06f79d7b"],"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":"The original advisory lists fixed boundaries 2.1.1 for league/flysystem. Confirm the publisher’s latest guidance.","source_ids":["sr-44a2de61a75a3d370caee0ca06f79d7b"],"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-7a685a87e15131dd3f3f8aa38ef81089"],"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":"2026-06-17T03:53:28.230Z","value":"9.3 HIGH (2.0)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-b187563579838f5db44880f97b0ae230"},{"kind":"CVSS","as_of":"2026-06-17T03:53:28.230Z","value":"9.8 CRITICAL (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-b187563579838f5db44880f97b0ae230"},{"kind":"CVSS","as_of":"2026-06-17T03:53:28.230Z","value":"8.1 HIGH (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-b187563579838f5db44880f97b0ae230"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"3.486%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.89127. Missing scores are unknown.","source_id":"sr-7a685a87e15131dd3f3f8aa38ef81089"}],"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-44a2de61a75a3d370caee0ca06f79d7b","url":"https://github.com/advisories/GHSA-9f46-5r25-5wfm","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9f46-5r25-5wfm","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.685Z"},{"id":"sr-b187563579838f5db44880f97b0ae230","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32708","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2021-32708","publisher":"NIST National Vulnerability Database","observed_at":"2026-10-31T23:13:26.837Z"},{"id":"sr-7a685a87e15131dd3f3f8aa38ef81089","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-2021-32708","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-44a2de61a75a3d370caee0ca06f79d7b"],"technology":"league/flysystem","known_exclusions":[],"conditions_summary":"### Impact\n\nThe whitespace normalisation using in 1.x and 2.x removes any unicode whitespace. Under certain specific conditions this could potentially allow a malicious user to execute code remotely.\n\nThe conditions: \n\n- A user is allowed to supply the path or filename of an uploaded file.\n- The supplied path or filename is not checked against unicode chars.\n- The supplied pathname checked against an extension deny-list, not an allow-list.\n- The supplied path or filename contains a unicode whitespace char in the extension.\n- The uploaded file is stored in a directory that allows PHP code to be executed.\n\nGiven these conditions are met a user can upload and execute arbitrary code on the system under attack.\n\n### Patches\n\nThe unicode whitespace removal has been replaced with a rejection (exception).\n\nThe library has been patched in:\n- 1.x: https://github.com/thephpleague/flysystem/commit/f3ad69181b8afed2c9edf7be5a2918144ff4ea32\n- 2.x: https://github.com/thephpleague/flysystem/commit/a3c694de9f7e844b76f9d1b61296ebf6e8d89d74\n\n### Workarounds\n\nFor 1.x users, upgrade to 1.1.4. For 2.x users, upgrade to 2.1.1.\n","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.1.4"]},{"certainty":"source_listed","source_ids":["sr-44a2de61a75a3d370caee0ca06f79d7b"],"technology":"league/flysystem","known_exclusions":[],"conditions_summary":"### Impact\n\nThe whitespace normalisation using in 1.x and 2.x removes any unicode whitespace. Under certain specific conditions this could potentially allow a malicious user to execute code remotely.\n\nThe conditions: \n\n- A user is allowed to supply the path or filename of an uploaded file.\n- The supplied path or filename is not checked against unicode chars.\n- The supplied pathname checked against an extension deny-list, not an allow-list.\n- The supplied path or filename contains a unicode whitespace char in the extension.\n- The uploaded file is stored in a directory that allows PHP code to be executed.\n\nGiven these conditions are met a user can upload and execute arbitrary code on the system under attack.\n\n### Patches\n\nThe unicode whitespace removal has been replaced with a rejection (exception).\n\nThe library has been patched in:\n- 1.x: https://github.com/thephpleague/flysystem/commit/f3ad69181b8afed2c9edf7be5a2918144ff4ea32\n- 2.x: https://github.com/thephpleague/flysystem/commit/a3c694de9f7e844b76f9d1b61296ebf6e8d89d74\n\n### Workarounds\n\nFor 1.x users, upgrade to 1.1.4. For 2.x users, upgrade to 2.1.1.\n","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.1.1"]}],"null_published_at":"2026-11-06T15:18:17.684Z","source_updated_at":"2026-07-08T06:28:00.604Z","source_disclosed_at":"2021-06-29T03:13:28.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:10.685Z"},{"id":"NVI-00003610","kind":"vulnerability","title":"Time-of-check Time-of-use (TOCTOU) Race Condition in league/flysystem","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9f46-5r25-5wfm","CVE-2021-32708"],"plain_summary":"OSV carries this publisher advisory for league/flysystem, league/flysystem. 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 1.1.4 for league/flysystem. Confirm the publisher’s latest guidance.","source_ids":["sr-44a2de61a75a3d370caee0ca06f79d7b"],"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":"The original advisory lists fixed boundaries 2.1.1 for league/flysystem. Confirm the publisher’s latest guidance.","source_ids":["sr-44a2de61a75a3d370caee0ca06f79d7b"],"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-7a685a87e15131dd3f3f8aa38ef81089"],"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":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"3.486%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.89127. Missing scores are unknown.","source_id":"sr-7a685a87e15131dd3f3f8aa38ef81089"}],"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-44a2de61a75a3d370caee0ca06f79d7b","url":"https://github.com/advisories/GHSA-9f46-5r25-5wfm","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9f46-5r25-5wfm","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.685Z"},{"id":"sr-7a685a87e15131dd3f3f8aa38ef81089","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-2021-32708","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-44a2de61a75a3d370caee0ca06f79d7b"],"technology":"league/flysystem","known_exclusions":[],"conditions_summary":"### Impact\n\nThe whitespace normalisation using in 1.x and 2.x removes any unicode whitespace. Under certain specific conditions this could potentially allow a malicious user to execute code remotely.\n\nThe conditions: \n\n- A user is allowed to supply the path or filename of an uploaded file.\n- The supplied path or filename is not checked against unicode chars.\n- The supplied pathname checked against an extension deny-list, not an allow-list.\n- The supplied path or filename contains a unicode whitespace char in the extension.\n- The uploaded file is stored in a directory that allows PHP code to be executed.\n\nGiven these conditions are met a user can upload and execute arbitrary code on the system under attack.\n\n### Patches\n\nThe unicode whitespace removal has been replaced with a rejection (exception).\n\nThe library has been patched in:\n- 1.x: https://github.com/thephpleague/flysystem/commit/f3ad69181b8afed2c9edf7be5a2918144ff4ea32\n- 2.x: https://github.com/thephpleague/flysystem/commit/a3c694de9f7e844b76f9d1b61296ebf6e8d89d74\n\n### Workarounds\n\nFor 1.x users, upgrade to 1.1.4. For 2.x users, upgrade to 2.1.1.\n","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.1.4"]},{"certainty":"source_listed","source_ids":["sr-44a2de61a75a3d370caee0ca06f79d7b"],"technology":"league/flysystem","known_exclusions":[],"conditions_summary":"### Impact\n\nThe whitespace normalisation using in 1.x and 2.x removes any unicode whitespace. Under certain specific conditions this could potentially allow a malicious user to execute code remotely.\n\nThe conditions: \n\n- A user is allowed to supply the path or filename of an uploaded file.\n- The supplied path or filename is not checked against unicode chars.\n- The supplied pathname checked against an extension deny-list, not an allow-list.\n- The supplied path or filename contains a unicode whitespace char in the extension.\n- The uploaded file is stored in a directory that allows PHP code to be executed.\n\nGiven these conditions are met a user can upload and execute arbitrary code on the system under attack.\n\n### Patches\n\nThe unicode whitespace removal has been replaced with a rejection (exception).\n\nThe library has been patched in:\n- 1.x: https://github.com/thephpleague/flysystem/commit/f3ad69181b8afed2c9edf7be5a2918144ff4ea32\n- 2.x: https://github.com/thephpleague/flysystem/commit/a3c694de9f7e844b76f9d1b61296ebf6e8d89d74\n\n### Workarounds\n\nFor 1.x users, upgrade to 1.1.4. For 2.x users, upgrade to 2.1.1.\n","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.1.1"]}],"null_published_at":"2026-11-01T19:14:01.612Z","source_updated_at":"2026-07-08T06:28:00.604Z","source_disclosed_at":"2021-06-29T03:13:28.000Z","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":"2026-10-31T21:42:10.685Z"},{"id":"NVI-00003610","kind":"vulnerability","title":"Time-of-check Time-of-use (TOCTOU) Race Condition in league/flysystem","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9f46-5r25-5wfm","CVE-2021-32708"],"plain_summary":"OSV carries this publisher advisory for league/flysystem, league/flysystem. 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 1.1.4 for league/flysystem. Confirm the publisher’s latest guidance.","source_ids":["sr-44a2de61a75a3d370caee0ca06f79d7b"],"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":"The original advisory lists fixed boundaries 2.1.1 for league/flysystem. Confirm the publisher’s latest guidance.","source_ids":["sr-44a2de61a75a3d370caee0ca06f79d7b"],"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}],"schema_version":"1.1.0","source_metrics":[],"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-44a2de61a75a3d370caee0ca06f79d7b","url":"https://github.com/advisories/GHSA-9f46-5r25-5wfm","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9f46-5r25-5wfm","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.685Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-44a2de61a75a3d370caee0ca06f79d7b"],"technology":"league/flysystem","known_exclusions":[],"conditions_summary":"### Impact\n\nThe whitespace normalisation using in 1.x and 2.x removes any unicode whitespace. Under certain specific conditions this could potentially allow a malicious user to execute code remotely.\n\nThe conditions: \n\n- A user is allowed to supply the path or filename of an uploaded file.\n- The supplied path or filename is not checked against unicode chars.\n- The supplied pathname checked against an extension deny-list, not an allow-list.\n- The supplied path or filename contains a unicode whitespace char in the extension.\n- The uploaded file is stored in a directory that allows PHP code to be executed.\n\nGiven these conditions are met a user can upload and execute arbitrary code on the system under attack.\n\n### Patches\n\nThe unicode whitespace removal has been replaced with a rejection (exception).\n\nThe library has been patched in:\n- 1.x: https://github.com/thephpleague/flysystem/commit/f3ad69181b8afed2c9edf7be5a2918144ff4ea32\n- 2.x: https://github.com/thephpleague/flysystem/commit/a3c694de9f7e844b76f9d1b61296ebf6e8d89d74\n\n### Workarounds\n\nFor 1.x users, upgrade to 1.1.4. For 2.x users, upgrade to 2.1.1.\n","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.1.4"]},{"certainty":"source_listed","source_ids":["sr-44a2de61a75a3d370caee0ca06f79d7b"],"technology":"league/flysystem","known_exclusions":[],"conditions_summary":"### Impact\n\nThe whitespace normalisation using in 1.x and 2.x removes any unicode whitespace. Under certain specific conditions this could potentially allow a malicious user to execute code remotely.\n\nThe conditions: \n\n- A user is allowed to supply the path or filename of an uploaded file.\n- The supplied path or filename is not checked against unicode chars.\n- The supplied pathname checked against an extension deny-list, not an allow-list.\n- The supplied path or filename contains a unicode whitespace char in the extension.\n- The uploaded file is stored in a directory that allows PHP code to be executed.\n\nGiven these conditions are met a user can upload and execute arbitrary code on the system under attack.\n\n### Patches\n\nThe unicode whitespace removal has been replaced with a rejection (exception).\n\nThe library has been patched in:\n- 1.x: https://github.com/thephpleague/flysystem/commit/f3ad69181b8afed2c9edf7be5a2918144ff4ea32\n- 2.x: https://github.com/thephpleague/flysystem/commit/a3c694de9f7e844b76f9d1b61296ebf6e8d89d74\n\n### Workarounds\n\nFor 1.x users, upgrade to 1.1.4. For 2.x users, upgrade to 2.1.1.\n","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.1.1"]}],"null_published_at":"2026-10-31T22:12:48.023Z","source_updated_at":"2026-07-08T06:28:00.604Z","source_disclosed_at":"2021-06-29T03:13:28.000Z","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":"2026-10-31T21:42:10.685Z"}],"next_cursor":null,"snapshot_revision":"42594"}