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    "cveMetadata": {
        "cveId": "CVE-2026-8327",
        "assignerOrgId": "ff5b8ace-8b95-4078-9743-eac1ca5451de",
        "state": "PUBLISHED",
        "assignerShortName": "ConcreteCMS",
        "dateReserved": "2026-05-11T14:21:53.569Z",
        "datePublished": "2026-05-21T21:15:31.647Z",
        "dateUpdated": "2026-05-22T13:15:58.343Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "ff5b8ace-8b95-4078-9743-eac1ca5451de",
                "shortName": "ConcreteCMS",
                "dateUpdated": "2026-05-21T21:15:31.647Z"
            },
            "title": "Concrete CMS below 9.5.0 and below is vulnerable to password change without reauthorization and session-hardening bypass.",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-915",
                            "description": "CWE-915 Improperly controlled modification of Dynamically-Determined object attributes",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-620",
                            "description": "CWE-620 Unverified password change",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-269",
                            "description": "CWE-269 Improper Privilege Management",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-77",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-77 Manipulating User-Controlled Variables"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Concrete CMS",
                    "product": "Concrete CMS",
                    "collectionURL": "https://github.com/concretecms/concretecms",
                    "repo": "https://github.com/concretecms/concretecms",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "5",
                            "lessThanOrEqual": "9.5.0",
                            "versionType": "git"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Concrete CMS below 9.5.0 and below is vulnerable to password change without reauthorization and session-hardening bypass. The user-profile edit controller passes the entire raw POST array to UserInfo::update() without field whitelisting resulting in password change without requiring the current password  and also resulting in registered users able to disable the per-user-IP-pinning in the session validator which is meant to detect hijacking.  The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 5.3 with vector CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks 0x4c616e for reporting.",
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                            "value": "<div><br></div><div><span>Concrete CMS below 9.5.0 and below is vulnerable to p</span><span>assword change without reauthorization and session-hardening bypass.&nbsp;</span><span>The user-profile edit controller passes the </span><span>entire raw POST array</span><span> to </span><code>UserInfo::update()</code><span> without field whitelisting resulting in password change without requiring the current password&nbsp; and also resulting in registered users able to disable the per-user-IP-pinning in the session validator which is meant to detect hijacking.&nbsp;&nbsp;</span><span>The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 5.3 with vector&nbsp;CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks&nbsp;0x4c616e for reporting.&nbsp;</span></div>"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://documentation.concretecms.org/9-x/developers/introduction/version-history/951-release-notes",
                    "tags": [
                        "release-notes"
                    ]
                }
            ],
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                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "LOW",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
                        "baseSeverity": "MEDIUM",
                        "baseScore": 5.3,
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"
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                    "lang": "en",
                    "value": "0x4c616e",
                    "type": "finder"
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            "source": {
                "defect": [
                    "HackerOne"
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                "advisory": "https://hackerone.com/reports/3636712",
                "discovery": "EXTERNAL"
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                "metrics": [
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                                "timestamp": "2026-05-22T13:15:51.839847Z",
                                "id": "CVE-2026-8327",
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                                        "Exploitation": "none"
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                "title": "CISA ADP Vulnrichment",
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