{"items":[{"id":"NVI-00006395","kind":"vulnerability","title":"October CMS auth bypass and account takeover","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-h76r-vgf3-j6w5","CVE-2021-29487"],"plain_summary":"OSV carries this publisher advisory for october/system, october/system. 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 1.0.472 for october/system. Confirm the publisher’s latest guidance.","source_ids":["sr-b2e34869df1770b9ce5bdccbb9d87b03"],"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 1.1.5 for october/system. Confirm the publisher’s latest guidance.","source_ids":["sr-b2e34869df1770b9ce5bdccbb9d87b03"],"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-1987e0d671d1c2a9c52257d026ad58f1"],"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":"2026-06-17T03:47:44.653Z","value":"5.8 MEDIUM (2.0)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-56736d470961c3e52919a6e02d80a3c2"},{"kind":"CVSS","as_of":"2026-06-17T03:47:44.653Z","value":"7.4 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-56736d470961c3e52919a6e02d80a3c2"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.895%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.59517. Missing scores are unknown.","source_id":"sr-1987e0d671d1c2a9c52257d026ad58f1"}],"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-b2e34869df1770b9ce5bdccbb9d87b03","url":"https://github.com/advisories/GHSA-h76r-vgf3-j6w5","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-h76r-vgf3-j6w5","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.426Z"},{"id":"sr-56736d470961c3e52919a6e02d80a3c2","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-29487","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2021-29487","publisher":"NIST National Vulnerability Database","observed_at":"2026-10-31T23:13:08.840Z"},{"id":"sr-1987e0d671d1c2a9c52257d026ad58f1","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-2021-29487","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:27:48.610Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b2e34869df1770b9ce5bdccbb9d87b03"],"technology":"october/system","known_exclusions":[],"conditions_summary":"### Impact\n\nAn attacker can exploit this vulnerability to bypass authentication using a specially crafted persist cookie.\n\n- To exploit this vulnerability, an attacker must obtain a Laravel’s secret key for cookie encryption and signing.\n- Due to the logic of how this mechanism works, a targeted user account must be logged in while\nthe attacker is exploiting the vulnerability.\n- Authorization via persist cookie not shown in access logs.\n\n### Patches\n\n- Issue has been patched in Build 472 and v1.1.5\n- Shortened patch instructions\n\n### Workarounds\n\nApply https://github.com/octobercms/library/commit/016a297b1bec55d2e53bc889458ed2cb5c3e9374 and https://github.com/octobercms/library/commit/5bd1a28140b825baebe6becd4f7562299d3de3b9 to your installation manually if you are unable to upgrade.\n\n[**Update 2022-01-20**] Shortened patch instructions can be found here.\n\n### Recommendations\n\nWe recommend the following steps to make sure your server stays secure:\n\n- Keep server OS and system software up to date.\n- Keep October CMS software up to date.\n- Use a multi-factor authentication plugin.\n- Change t","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.0.472"]},{"certainty":"source_listed","source_ids":["sr-b2e34869df1770b9ce5bdccbb9d87b03"],"technology":"october/system","known_exclusions":[],"conditions_summary":"### Impact\n\nAn attacker can exploit this vulnerability to bypass authentication using a specially crafted persist cookie.\n\n- To exploit this vulnerability, an attacker must obtain a Laravel’s secret key for cookie encryption and signing.\n- Due to the logic of how this mechanism works, a targeted user account must be logged in while\nthe attacker is exploiting the vulnerability.\n- Authorization via persist cookie not shown in access logs.\n\n### Patches\n\n- Issue has been patched in Build 472 and v1.1.5\n- Shortened patch instructions\n\n### Workarounds\n\nApply https://github.com/octobercms/library/commit/016a297b1bec55d2e53bc889458ed2cb5c3e9374 and https://github.com/octobercms/library/commit/5bd1a28140b825baebe6becd4f7562299d3de3b9 to your installation manually if you are unable to upgrade.\n\n[**Update 2022-01-20**] Shortened patch instructions can be found here.\n\n### Recommendations\n\nWe recommend the following steps to make sure your server stays secure:\n\n- Keep server OS and system software up to date.\n- Keep October CMS software up to date.\n- Use a multi-factor authentication plugin.\n- Change t","public_affected_ranges":["ECOSYSTEM: introduced 1.1.1; fixed 1.1.5"]}],"null_published_at":"2026-11-04T18:04:03.081Z","source_updated_at":"2026-07-08T06:29:54.626Z","source_disclosed_at":"2021-08-30T16:13:50.000Z","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":"2026-10-31T21:42:20.426Z"},{"id":"NVI-00006395","kind":"vulnerability","title":"October CMS auth bypass and account takeover","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-h76r-vgf3-j6w5","CVE-2021-29487"],"plain_summary":"OSV carries this publisher advisory for october/system, october/system. 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 1.0.472 for october/system. Confirm the publisher’s latest guidance.","source_ids":["sr-b2e34869df1770b9ce5bdccbb9d87b03"],"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 1.1.5 for october/system. Confirm the publisher’s latest guidance.","source_ids":["sr-b2e34869df1770b9ce5bdccbb9d87b03"],"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-56736d470961c3e52919a6e02d80a3c2"],"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":"2026-06-17T03:47:44.653Z","value":"5.8 MEDIUM (2.0)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-56736d470961c3e52919a6e02d80a3c2"},{"kind":"CVSS","as_of":"2026-06-17T03:47:44.653Z","value":"7.4 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-56736d470961c3e52919a6e02d80a3c2"}],"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-b2e34869df1770b9ce5bdccbb9d87b03","url":"https://github.com/advisories/GHSA-h76r-vgf3-j6w5","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-h76r-vgf3-j6w5","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.426Z"},{"id":"sr-56736d470961c3e52919a6e02d80a3c2","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-29487","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2021-29487","publisher":"NIST National Vulnerability Database","observed_at":"2026-10-31T23:13:08.840Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b2e34869df1770b9ce5bdccbb9d87b03"],"technology":"october/system","known_exclusions":[],"conditions_summary":"### Impact\n\nAn attacker can exploit this vulnerability to bypass authentication using a specially crafted persist cookie.\n\n- To exploit this vulnerability, an attacker must obtain a Laravel’s secret key for cookie encryption and signing.\n- Due to the logic of how this mechanism works, a targeted user account must be logged in while\nthe attacker is exploiting the vulnerability.\n- Authorization via persist cookie not shown in access logs.\n\n### Patches\n\n- Issue has been patched in Build 472 and v1.1.5\n- Shortened patch instructions\n\n### Workarounds\n\nApply https://github.com/octobercms/library/commit/016a297b1bec55d2e53bc889458ed2cb5c3e9374 and https://github.com/octobercms/library/commit/5bd1a28140b825baebe6becd4f7562299d3de3b9 to your installation manually if you are unable to upgrade.\n\n[**Update 2022-01-20**] Shortened patch instructions can be found here.\n\n### Recommendations\n\nWe recommend the following steps to make sure your server stays secure:\n\n- Keep server OS and system software up to date.\n- Keep October CMS software up to date.\n- Use a multi-factor authentication plugin.\n- Change t","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.0.472"]},{"certainty":"source_listed","source_ids":["sr-b2e34869df1770b9ce5bdccbb9d87b03"],"technology":"october/system","known_exclusions":[],"conditions_summary":"### Impact\n\nAn attacker can exploit this vulnerability to bypass authentication using a specially crafted persist cookie.\n\n- To exploit this vulnerability, an attacker must obtain a Laravel’s secret key for cookie encryption and signing.\n- Due to the logic of how this mechanism works, a targeted user account must be logged in while\nthe attacker is exploiting the vulnerability.\n- Authorization via persist cookie not shown in access logs.\n\n### Patches\n\n- Issue has been patched in Build 472 and v1.1.5\n- Shortened patch instructions\n\n### Workarounds\n\nApply https://github.com/octobercms/library/commit/016a297b1bec55d2e53bc889458ed2cb5c3e9374 and https://github.com/octobercms/library/commit/5bd1a28140b825baebe6becd4f7562299d3de3b9 to your installation manually if you are unable to upgrade.\n\n[**Update 2022-01-20**] Shortened patch instructions can be found here.\n\n### Recommendations\n\nWe recommend the following steps to make sure your server stays secure:\n\n- Keep server OS and system software up to date.\n- Keep October CMS software up to date.\n- Use a multi-factor authentication plugin.\n- Change t","public_affected_ranges":["ECOSYSTEM: introduced 1.1.1; fixed 1.1.5"]}],"null_published_at":"2026-11-02T20:21:10.262Z","source_updated_at":"2026-07-08T06:29:54.626Z","source_disclosed_at":"2021-08-30T16:13:50.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:20.426Z"},{"id":"NVI-00006395","kind":"vulnerability","title":"October CMS auth bypass and account takeover","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-h76r-vgf3-j6w5","CVE-2021-29487"],"plain_summary":"OSV carries this publisher advisory for october/system, october/system. 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 1.0.472 for october/system. Confirm the publisher’s latest guidance.","source_ids":["sr-b2e34869df1770b9ce5bdccbb9d87b03"],"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 1.1.5 for october/system. Confirm the publisher’s latest guidance.","source_ids":["sr-b2e34869df1770b9ce5bdccbb9d87b03"],"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-b2e34869df1770b9ce5bdccbb9d87b03","url":"https://github.com/advisories/GHSA-h76r-vgf3-j6w5","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-h76r-vgf3-j6w5","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.426Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b2e34869df1770b9ce5bdccbb9d87b03"],"technology":"october/system","known_exclusions":[],"conditions_summary":"### Impact\n\nAn attacker can exploit this vulnerability to bypass authentication using a specially crafted persist cookie.\n\n- To exploit this vulnerability, an attacker must obtain a Laravel’s secret key for cookie encryption and signing.\n- Due to the logic of how this mechanism works, a targeted user account must be logged in while\nthe attacker is exploiting the vulnerability.\n- Authorization via persist cookie not shown in access logs.\n\n### Patches\n\n- Issue has been patched in Build 472 and v1.1.5\n- Shortened patch instructions\n\n### Workarounds\n\nApply https://github.com/octobercms/library/commit/016a297b1bec55d2e53bc889458ed2cb5c3e9374 and https://github.com/octobercms/library/commit/5bd1a28140b825baebe6becd4f7562299d3de3b9 to your installation manually if you are unable to upgrade.\n\n[**Update 2022-01-20**] Shortened patch instructions can be found here.\n\n### Recommendations\n\nWe recommend the following steps to make sure your server stays secure:\n\n- Keep server OS and system software up to date.\n- Keep October CMS software up to date.\n- Use a multi-factor authentication plugin.\n- Change t","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.0.472"]},{"certainty":"source_listed","source_ids":["sr-b2e34869df1770b9ce5bdccbb9d87b03"],"technology":"october/system","known_exclusions":[],"conditions_summary":"### Impact\n\nAn attacker can exploit this vulnerability to bypass authentication using a specially crafted persist cookie.\n\n- To exploit this vulnerability, an attacker must obtain a Laravel’s secret key for cookie encryption and signing.\n- Due to the logic of how this mechanism works, a targeted user account must be logged in while\nthe attacker is exploiting the vulnerability.\n- Authorization via persist cookie not shown in access logs.\n\n### Patches\n\n- Issue has been patched in Build 472 and v1.1.5\n- Shortened patch instructions\n\n### Workarounds\n\nApply https://github.com/octobercms/library/commit/016a297b1bec55d2e53bc889458ed2cb5c3e9374 and https://github.com/octobercms/library/commit/5bd1a28140b825baebe6becd4f7562299d3de3b9 to your installation manually if you are unable to upgrade.\n\n[**Update 2022-01-20**] Shortened patch instructions can be found here.\n\n### Recommendations\n\nWe recommend the following steps to make sure your server stays secure:\n\n- Keep server OS and system software up to date.\n- Keep October CMS software up to date.\n- Use a multi-factor authentication plugin.\n- Change t","public_affected_ranges":["ECOSYSTEM: introduced 1.1.1; fixed 1.1.5"]}],"null_published_at":"2026-10-31T22:13:10.055Z","source_updated_at":"2026-07-08T06:29:54.626Z","source_disclosed_at":"2021-08-30T16:13:50.000Z","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":"2026-10-31T21:42:20.426Z"}],"next_cursor":null,"snapshot_revision":"42594"}