{"items":[{"id":"NVI-00003866","kind":"vulnerability","title":"Concrete CMS vulnerable to Remote Code Execution by stored PHP object injection","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-gj26-w59c-29mf","CVE-2026-3452"],"plain_summary":"OSV carries this publisher advisory for concrete5/concrete5. 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 9.4.8 for concrete5/concrete5. Confirm the publisher’s latest guidance.","source_ids":["sr-4e0344a77d192cce174dd31e906d04f9"],"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-6f95209761384ed6558079eefc79f02d"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-3452","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.378Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4e0344a77d192cce174dd31e906d04f9"],"technology":"concrete5/concrete5","known_exclusions":[],"conditions_summary":"Concrete CMS below version 9.4.8 is vulnerable to Remote Code Execution by stored PHP object injection into the Express Entry List block via the columns parameter. An authenticated administrator can store attacker-controlled serialized data in block configuration fields that are later passed to unserialize() without class restrictions or integrity checks. \n\nThe Concrete CMS security team thanks YJK ( @YJK0805 https://hackerone.com/yjk0805 ) of  ZUSO ART https://zuso.ai/  for reporting.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 9.4.8"]}],"null_published_at":"2026-11-02T20:21:10.313Z","source_updated_at":"2026-03-04T21:56:20.771Z","source_disclosed_at":"2026-03-04T03:31:34.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:20.418Z"},{"id":"NVI-00003866","kind":"vulnerability","title":"Concrete CMS vulnerable to Remote Code Execution by stored PHP object injection","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-gj26-w59c-29mf","CVE-2026-3452"],"plain_summary":"OSV carries this publisher advisory for concrete5/concrete5. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-3452","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.378Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4e0344a77d192cce174dd31e906d04f9"],"technology":"concrete5/concrete5","known_exclusions":[],"conditions_summary":"Concrete CMS below version 9.4.8 is vulnerable to Remote Code Execution by stored PHP object injection into the Express Entry List block via the columns parameter. An authenticated administrator can store attacker-controlled serialized data in block configuration fields that are later passed to unserialize() without class restrictions or integrity checks. \n\nThe Concrete CMS security team thanks YJK ( @YJK0805 https://hackerone.com/yjk0805 ) of  ZUSO ART https://zuso.ai/  for reporting.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 9.4.8"]}],"null_published_at":"2026-11-01T19:14:01.582Z","source_updated_at":"2026-03-04T21:56:20.771Z","source_disclosed_at":"2026-03-04T03:31:34.000Z","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":"2026-10-31T21:42:20.418Z"},{"id":"NVI-00003866","kind":"vulnerability","title":"Concrete CMS vulnerable to Remote Code Execution by stored PHP object injection","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-gj26-w59c-29mf","CVE-2026-3452"],"plain_summary":"OSV carries this publisher advisory for concrete5/concrete5. 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This report has not examined your application.","related_sources":[{"id":"sr-4e0344a77d192cce174dd31e906d04f9","url":"https://github.com/advisories/GHSA-gj26-w59c-29mf","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-gj26-w59c-29mf","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.418Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4e0344a77d192cce174dd31e906d04f9"],"technology":"concrete5/concrete5","known_exclusions":[],"conditions_summary":"Concrete CMS below version 9.4.8 is vulnerable to Remote Code Execution by stored PHP object injection into the Express Entry List block via the columns parameter. An authenticated administrator can store attacker-controlled serialized data in block configuration fields that are later passed to unserialize() without class restrictions or integrity checks. \n\nThe Concrete CMS security team thanks YJK ( @YJK0805 https://hackerone.com/yjk0805 ) of  ZUSO ART https://zuso.ai/  for reporting.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 9.4.8"]}],"null_published_at":"2026-10-31T22:12:52.601Z","source_updated_at":"2026-03-04T21:56:20.771Z","source_disclosed_at":"2026-03-04T03:31:34.000Z","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":"2026-10-31T21:42:20.418Z"}],"next_cursor":null,"snapshot_revision":"42594"}