{"items":[{"id":"NVI-00004354","kind":"vulnerability","title":"Bypass of fix for CVE-2020-26231, Twig sandbox escape","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-fcr8-6q7r-m4wg","CVE-2021-21264"],"plain_summary":"OSV carries this publisher advisory for october/cms, october/cms. 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/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-633a2e446ee9c511abab1dfe98374243"],"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 1.1.2 for october/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-633a2e446ee9c511abab1dfe98374243"],"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-4b6feace6d3c8cb64dc39a660ff98827"],"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":"2026-06-17T03:35:09.167Z","value":"4.4 MEDIUM (2.0)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-dc804134fec2135dd2a30b92305df0a7"},{"kind":"CVSS","as_of":"2026-06-17T03:35:09.167Z","value":"5.2 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-dc804134fec2135dd2a30b92305df0a7"},{"kind":"CVSS","as_of":"2026-06-17T03:35:09.167Z","value":"5.2 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-dc804134fec2135dd2a30b92305df0a7"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.262%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.18086. Missing scores are unknown.","source_id":"sr-4b6feace6d3c8cb64dc39a660ff98827"}],"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-633a2e446ee9c511abab1dfe98374243","url":"https://github.com/advisories/GHSA-fcr8-6q7r-m4wg","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-fcr8-6q7r-m4wg","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.713Z"},{"id":"sr-dc804134fec2135dd2a30b92305df0a7","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21264","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2021-21264","publisher":"NIST National Vulnerability Database","observed_at":"2026-10-31T22:07:35.928Z"},{"id":"sr-4b6feace6d3c8cb64dc39a660ff98827","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-2021-21264","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-633a2e446ee9c511abab1dfe98374243"],"technology":"october/cms","known_exclusions":[],"conditions_summary":"### Impact\nA bypass of CVE-2020-26231 (fixed in 1.0.470/471 and 1.1.1) was discovered that has the same impact as CVE-2020-26231 & CVE-2020-15247:\n\nAn authenticated backend user with the `cms.manage_pages`, `cms.manage_layouts`, or `cms.manage_partials` permissions who would **normally** not be permitted to provide PHP code to be executed by the CMS due to `cms.enableSafeMode` being enabled is able to write specific Twig code to escape the Twig sandbox and execute arbitrary PHP.\n\nThis is not a problem for anyone that trusts their users with those permissions to normally write & manage PHP within the CMS by not having `cms.enableSafeMode` enabled, but would be a problem for anyone relying on `cms.enableSafeMode` to ensure that users with those permissions in production do not have access to write & execute arbitrary PHP.\n\n### Patches\nIssue has been patched in Build 472 (v1.0.472) and v1.1.2.\n\n### Workarounds\nApply https://github.com/octobercms/october/commit/f63519ff1e8d375df30deba63156a2fc97aa9ee7 to your installation manually if unable to upgrade to Build 472 or v1.1.2.\n\n### References\nReported by ka1n4t\n\n### For more information\nIf you have any questi","public_affected_ranges":["ECOSYSTEM: introduced 1.0.471; fixed 1.0.472"]},{"certainty":"source_listed","source_ids":["sr-633a2e446ee9c511abab1dfe98374243"],"technology":"october/cms","known_exclusions":[],"conditions_summary":"### Impact\nA bypass of CVE-2020-26231 (fixed in 1.0.470/471 and 1.1.1) was discovered that has the same impact as CVE-2020-26231 & CVE-2020-15247:\n\nAn authenticated backend user with the `cms.manage_pages`, `cms.manage_layouts`, or `cms.manage_partials` permissions who would **normally** not be permitted to provide PHP code to be executed by the CMS due to `cms.enableSafeMode` being enabled is able to write specific Twig code to escape the Twig sandbox and execute arbitrary PHP.\n\nThis is not a problem for anyone that trusts their users with those permissions to normally write & manage PHP within the CMS by not having `cms.enableSafeMode` enabled, but would be a problem for anyone relying on `cms.enableSafeMode` to ensure that users with those permissions in production do not have access to write & execute arbitrary PHP.\n\n### Patches\nIssue has been patched in Build 472 (v1.0.472) and v1.1.2.\n\n### Workarounds\nApply https://github.com/octobercms/october/commit/f63519ff1e8d375df30deba63156a2fc97aa9ee7 to your installation manually if unable to upgrade to Build 472 or v1.1.2.\n\n### References\nReported by ka1n4t\n\n### For more information\nIf you have any questi","public_affected_ranges":["ECOSYSTEM: introduced 1.1.1; fixed 1.1.2"]}],"null_published_at":"2026-10-31T23:18:17.269Z","source_updated_at":"2026-07-08T06:30:01.387Z","source_disclosed_at":"2021-05-04T17:42:33.000Z","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":"2026-10-31T21:42:10.713Z"},{"id":"NVI-00004354","kind":"vulnerability","title":"Bypass of fix for CVE-2020-26231, Twig sandbox escape","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-fcr8-6q7r-m4wg","CVE-2021-21264"],"plain_summary":"OSV carries this publisher advisory for october/cms, october/cms. 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/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-633a2e446ee9c511abab1dfe98374243"],"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 1.1.2 for october/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-633a2e446ee9c511abab1dfe98374243"],"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-dc804134fec2135dd2a30b92305df0a7"],"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":"2026-06-17T03:35:09.167Z","value":"4.4 MEDIUM (2.0)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-dc804134fec2135dd2a30b92305df0a7"},{"kind":"CVSS","as_of":"2026-06-17T03:35:09.167Z","value":"5.2 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-dc804134fec2135dd2a30b92305df0a7"},{"kind":"CVSS","as_of":"2026-06-17T03:35:09.167Z","value":"5.2 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-dc804134fec2135dd2a30b92305df0a7"}],"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-633a2e446ee9c511abab1dfe98374243","url":"https://github.com/advisories/GHSA-fcr8-6q7r-m4wg","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-fcr8-6q7r-m4wg","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.713Z"},{"id":"sr-dc804134fec2135dd2a30b92305df0a7","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21264","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2021-21264","publisher":"NIST National Vulnerability Database","observed_at":"2026-10-31T22:07:35.928Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-633a2e446ee9c511abab1dfe98374243"],"technology":"october/cms","known_exclusions":[],"conditions_summary":"### Impact\nA bypass of CVE-2020-26231 (fixed in 1.0.470/471 and 1.1.1) was discovered that has the same impact as CVE-2020-26231 & CVE-2020-15247:\n\nAn authenticated backend user with the `cms.manage_pages`, `cms.manage_layouts`, or `cms.manage_partials` permissions who would **normally** not be permitted to provide PHP code to be executed by the CMS due to `cms.enableSafeMode` being enabled is able to write specific Twig code to escape the Twig sandbox and execute arbitrary PHP.\n\nThis is not a problem for anyone that trusts their users with those permissions to normally write & manage PHP within the CMS by not having `cms.enableSafeMode` enabled, but would be a problem for anyone relying on `cms.enableSafeMode` to ensure that users with those permissions in production do not have access to write & execute arbitrary PHP.\n\n### Patches\nIssue has been patched in Build 472 (v1.0.472) and v1.1.2.\n\n### Workarounds\nApply https://github.com/octobercms/october/commit/f63519ff1e8d375df30deba63156a2fc97aa9ee7 to your installation manually if unable to upgrade to Build 472 or v1.1.2.\n\n### References\nReported by ka1n4t\n\n### For more information\nIf you have any questi","public_affected_ranges":["ECOSYSTEM: introduced 1.0.471; fixed 1.0.472"]},{"certainty":"source_listed","source_ids":["sr-633a2e446ee9c511abab1dfe98374243"],"technology":"october/cms","known_exclusions":[],"conditions_summary":"### Impact\nA bypass of CVE-2020-26231 (fixed in 1.0.470/471 and 1.1.1) was discovered that has the same impact as CVE-2020-26231 & CVE-2020-15247:\n\nAn authenticated backend user with the `cms.manage_pages`, `cms.manage_layouts`, or `cms.manage_partials` permissions who would **normally** not be permitted to provide PHP code to be executed by the CMS due to `cms.enableSafeMode` being enabled is able to write specific Twig code to escape the Twig sandbox and execute arbitrary PHP.\n\nThis is not a problem for anyone that trusts their users with those permissions to normally write & manage PHP within the CMS by not having `cms.enableSafeMode` enabled, but would be a problem for anyone relying on `cms.enableSafeMode` to ensure that users with those permissions in production do not have access to write & execute arbitrary PHP.\n\n### Patches\nIssue has been patched in Build 472 (v1.0.472) and v1.1.2.\n\n### Workarounds\nApply https://github.com/octobercms/october/commit/f63519ff1e8d375df30deba63156a2fc97aa9ee7 to your installation manually if unable to upgrade to Build 472 or v1.1.2.\n\n### References\nReported by ka1n4t\n\n### For more information\nIf you have any questi","public_affected_ranges":["ECOSYSTEM: introduced 1.1.1; fixed 1.1.2"]}],"null_published_at":"2026-10-31T22:27:12.415Z","source_updated_at":"2026-07-08T06:30:01.387Z","source_disclosed_at":"2021-05-04T17:42:33.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:10.713Z"},{"id":"NVI-00004354","kind":"vulnerability","title":"Bypass of fix for CVE-2020-26231, Twig sandbox escape","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-fcr8-6q7r-m4wg","CVE-2021-21264"],"plain_summary":"OSV carries this publisher advisory for october/cms, october/cms. 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/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-633a2e446ee9c511abab1dfe98374243"],"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 1.1.2 for october/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-633a2e446ee9c511abab1dfe98374243"],"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-633a2e446ee9c511abab1dfe98374243","url":"https://github.com/advisories/GHSA-fcr8-6q7r-m4wg","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-fcr8-6q7r-m4wg","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.713Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-633a2e446ee9c511abab1dfe98374243"],"technology":"october/cms","known_exclusions":[],"conditions_summary":"### Impact\nA bypass of CVE-2020-26231 (fixed in 1.0.470/471 and 1.1.1) was discovered that has the same impact as CVE-2020-26231 & CVE-2020-15247:\n\nAn authenticated backend user with the `cms.manage_pages`, `cms.manage_layouts`, or `cms.manage_partials` permissions who would **normally** not be permitted to provide PHP code to be executed by the CMS due to `cms.enableSafeMode` being enabled is able to write specific Twig code to escape the Twig sandbox and execute arbitrary PHP.\n\nThis is not a problem for anyone that trusts their users with those permissions to normally write & manage PHP within the CMS by not having `cms.enableSafeMode` enabled, but would be a problem for anyone relying on `cms.enableSafeMode` to ensure that users with those permissions in production do not have access to write & execute arbitrary PHP.\n\n### Patches\nIssue has been patched in Build 472 (v1.0.472) and v1.1.2.\n\n### Workarounds\nApply https://github.com/octobercms/october/commit/f63519ff1e8d375df30deba63156a2fc97aa9ee7 to your installation manually if unable to upgrade to Build 472 or v1.1.2.\n\n### References\nReported by ka1n4t\n\n### For more information\nIf you have any questi","public_affected_ranges":["ECOSYSTEM: introduced 1.0.471; fixed 1.0.472"]},{"certainty":"source_listed","source_ids":["sr-633a2e446ee9c511abab1dfe98374243"],"technology":"october/cms","known_exclusions":[],"conditions_summary":"### Impact\nA bypass of CVE-2020-26231 (fixed in 1.0.470/471 and 1.1.1) was discovered that has the same impact as CVE-2020-26231 & CVE-2020-15247:\n\nAn authenticated backend user with the `cms.manage_pages`, `cms.manage_layouts`, or `cms.manage_partials` permissions who would **normally** not be permitted to provide PHP code to be executed by the CMS due to `cms.enableSafeMode` being enabled is able to write specific Twig code to escape the Twig sandbox and execute arbitrary PHP.\n\nThis is not a problem for anyone that trusts their users with those permissions to normally write & manage PHP within the CMS by not having `cms.enableSafeMode` enabled, but would be a problem for anyone relying on `cms.enableSafeMode` to ensure that users with those permissions in production do not have access to write & execute arbitrary PHP.\n\n### Patches\nIssue has been patched in Build 472 (v1.0.472) and v1.1.2.\n\n### Workarounds\nApply https://github.com/octobercms/october/commit/f63519ff1e8d375df30deba63156a2fc97aa9ee7 to your installation manually if unable to upgrade to Build 472 or v1.1.2.\n\n### References\nReported by ka1n4t\n\n### For more information\nIf you have any questi","public_affected_ranges":["ECOSYSTEM: introduced 1.1.1; fixed 1.1.2"]}],"null_published_at":"2026-10-31T22:12:52.644Z","source_updated_at":"2026-07-08T06:30:01.387Z","source_disclosed_at":"2021-05-04T17:42:33.000Z","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":"2026-10-31T21:42:10.713Z"}],"next_cursor":null,"snapshot_revision":"42594"}