{"items":[{"id":"NVI-00006531","kind":"vulnerability","title":"Concrete CMS Vulnerable to Relative Path Traversal","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-645j-cm4x-3xvw","CVE-2026-8134"],"plain_summary":"GitHub lists this reviewed advisory for concrete5/concrete5. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-5990eb1ca56d9ada383fc11026b89402"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. 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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":"2026-06-23T22:56:36.000Z","value":"7.2 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-130d78177be55a862bd71246f59dacf2"},{"kind":"CVSS","as_of":"2026-07-23T16:10:00.137Z","value":"7.2 HIGH (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-5990eb1ca56d9ada383fc11026b89402"},{"kind":"CVSS","as_of":"2026-07-23T16:10:00.137Z","value":"9.4 CRITICAL (4.0)","meaning":"ff5b8ace-8b95-4078-9743-eac1ca5451de severity; no combined Null risk score.","source_id":"sr-5990eb1ca56d9ada383fc11026b89402"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. 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Null normalizes fields.","title":"GHSA-645j-cm4x-3xvw","publisher":"GitHub Advisory Database","observed_at":"2026-11-05T19:06:16.668Z"},{"id":"sr-b87d57dfbb5ec2558633f52ee87dd9f9","url":"https://github.com/advisories/GHSA-645j-cm4x-3xvw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-645j-cm4x-3xvw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.929Z"},{"id":"sr-5990eb1ca56d9ada383fc11026b89402","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8134","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-8134","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:58.008Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-130d78177be55a862bd71246f59dacf2"],"technology":"concrete5/concrete5","known_exclusions":[],"conditions_summary":"Concrete CMS 9.5.0 and below fails to sanitize path traversal sequences in the ptComposerFormLayoutSetControlCustomTemplate field when saving page type composer form layouts. An authenticated rogue administrator with composer form editing rights can exploit this to include arbitrary readable files on the server. Combined with the file uploader's extension-only validation (which permits PHP code in files saved with image extensions like .png), this can result in authenticated remote code execution. Concrete CMS thanks Yonatan Drori (Tenzai) for reporting this issue.","public_affected_ranges":["< 9.5.1"]},{"certainty":"source_listed","source_ids":["sr-b87d57dfbb5ec2558633f52ee87dd9f9"],"technology":"concrete5/concrete5","known_exclusions":[],"conditions_summary":"Concrete CMS 9.5.0 and below fails to sanitize path traversal sequences in the ptComposerFormLayoutSetControlCustomTemplate field when saving page type composer form layouts. An authenticated rogue administrator with composer form editing rights can exploit this to include arbitrary readable files on the server. Combined with the file uploader's extension-only validation (which permits PHP code in files saved with image extensions like .png), this can result in authenticated remote code execution. Concrete CMS thanks Yonatan Drori (Tenzai) for reporting this issue.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 9.5.1"]}],"null_published_at":"2026-11-05T19:10:21.404Z","source_updated_at":"2026-06-23T22:56:36.000Z","source_disclosed_at":"2026-05-21T21:30:37.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:59.929Z"},{"id":"NVI-00006531","kind":"vulnerability","title":"Concrete CMS Vulnerable to Relative Path Traversal","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-645j-cm4x-3xvw","CVE-2026-8134"],"plain_summary":"OSV carries this publisher advisory for concrete5/concrete5. 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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":"2026-07-23T16:10:00.137Z","value":"7.2 HIGH (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-5990eb1ca56d9ada383fc11026b89402"},{"kind":"CVSS","as_of":"2026-07-23T16:10:00.137Z","value":"9.4 CRITICAL (4.0)","meaning":"ff5b8ace-8b95-4078-9743-eac1ca5451de severity; no combined Null risk score.","source_id":"sr-5990eb1ca56d9ada383fc11026b89402"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. 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Combined with the file uploader's extension-only validation (which permits PHP code in files saved with image extensions like .png), this can result in authenticated remote code execution. Concrete CMS thanks Yonatan Drori (Tenzai) for reporting this issue.","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 9.5.1"]}],"null_published_at":"2026-10-31T22:13:10.061Z","source_updated_at":"2026-09-10T03:50:45.702Z","source_disclosed_at":"2026-05-21T21:30:37.000Z","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":"2026-10-31T21:41:59.929Z"}],"next_cursor":null,"snapshot_revision":"42594"}