vuln-cve/data/2026/8xxx/CVE-2026-8350.json

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        "cveId": "CVE-2026-8350",
        "assignerOrgId": "ff5b8ace-8b95-4078-9743-eac1ca5451de",
        "state": "PUBLISHED",
        "assignerShortName": "ConcreteCMS",
        "dateReserved": "2026-05-11T16:40:39.812Z",
        "datePublished": "2026-05-21T20:28:03.032Z",
        "dateUpdated": "2026-05-22T13:22:50.510Z"
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                "shortName": "ConcreteCMS",
                "dateUpdated": "2026-05-21T20:28:03.032Z"
            },
            "title": "Concrete CMS 9.5.0 and below is vulnerable to missing authorization in the bulk_user_assignment.php which can lead to privilege escalation to Administrative Group",
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                            "lang": "en",
                            "cweId": "CWE-863",
                            "description": "CWE-863",
                            "type": "CWE"
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            "impacts": [
                {
                    "capecId": "CAPEC-1",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"
                        }
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            "affected": [
                {
                    "vendor": "Concrete CMS",
                    "product": "Concrete CMS",
                    "collectionURL": "https://github.com/concretecms/concretecms",
                    "repo": "https://github.com/concretecms/concretecms",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "5.0",
                            "lessThanOrEqual": "9.5.0",
                            "versionType": "git"
                        }
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                    "defaultStatus": "unaffected"
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            "descriptions": [
                {
                    "lang": "en",
                    "value": "Concrete CMS 9.5.0 and below is vulnerable to missing authorization in the bulk_user_assignment.php which can lead to privilege escalation to Administrative Group. Any authenticated user with access to the bulk user assignment dashboard page can add any user email to any group and can remove legitimate admins. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 7.5 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N. Thanks Vincent55 for reporting.",
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                            "value": "<div><br></div><div>Concrete CMS 9.5.0 and below is vulnerable to m<span>issing authorization in the bulk_user_assignment.php which can lead to privilege escalation&nbsp;</span>to Administrative Group<span>.&nbsp;</span><span>Any authenticated user with access to the bulk user assignment dashboard page can add any user email to any group and can remove legitimate admins.</span>&nbsp;<span>The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 7.5 with vector&nbsp;</span>CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N<span>. Thanks&nbsp;Vincent55 for reporting.&nbsp;</span></div>"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://documentation.concretecms.org/9-x/developers/introduction/version-history/951-release-notes",
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                        "release-notes"
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                }
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                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "HIGH",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "HIGH",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "HIGH",
                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
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                "defect": [
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                "advisory": "https://hackerone.com/reports/3594435",
                "discovery": "EXTERNAL"
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                                "timestamp": "2026-05-22T13:22:41.872694Z",
                                "id": "CVE-2026-8350",
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                                        "Exploitation": "none"
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                                "role": "CISA Coordinator",
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                "title": "CISA ADP Vulnrichment",
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