{"items":[{"id":"NVI-00006485","kind":"vulnerability","title":"ConcreteCMS is vulnerable to Denial of Service During Bulk Downloads","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-p68c-rmfh-j48h","CVE-2026-30662"],"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":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-03d6e78983757f0f87c2fb1af9dc9075"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. 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This report has not examined your application.","related_sources":[{"id":"sr-b68ce75996c862053a0d2a612f94faaf","url":"https://github.com/advisories/GHSA-p68c-rmfh-j48h","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-p68c-rmfh-j48h","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.987Z"},{"id":"sr-dbc43ac324bd8b6747eeaa4e5eb712a9","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-30662","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-30662","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:56.268Z"},{"id":"sr-03d6e78983757f0f87c2fb1af9dc9075","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-2026-30662","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.271Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b68ce75996c862053a0d2a612f94faaf"],"technology":"concrete5/concrete5","known_exclusions":[],"conditions_summary":"ConcreteCMS v9.4.7 contains a Denial of Service (DoS) vulnerability in the File Manager component. The 'download' method in 'concrete/controllers/backend/file.php' improperly manages memory when creating zip archives. It uses 'ZipArchive::addFromString' combined with 'file_get_contents', which loads the entire content of every selected file into PHP memory. 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