{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-86417",
        "assignerOrgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8",
        "state": "PUBLISHED",
        "assignerShortName": "CIRCL",
        "dateReserved": "2026-09-07T12:17:41.496Z",
        "datePublished": "2026-09-07T12:17:43.320Z",
        "dateUpdated": "2026-09-08T14:50:22.615Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "MISP",
                    "programFiles": [
                        "app/Controller/DashboardsController.php",
                        "app/Lib/Dashboard/NewUsersWidget.php",
                        "app/Lib/Dashboard/UserContributionToplistWidget.php",
                        "app/Model/User.php",
                        "app/Test/UserCanSeeEmailsTest.php"
                    ],
                    "repo": "https://github.com/MISP/MISP",
                    "vendor": "MISP",
                    "versions": [
                        {
                            "lessThanOrEqual": "2.5.45",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Scottish Government - National Cyber Team"
                },
                {
                    "lang": "en",
                    "type": "remediation developer",
                    "value": "iglocska"
                },
                {
                    "lang": "en",
                    "type": "remediation developer",
                    "value": "Claude Opus 5 (1M context)"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>Affected versions of MISP inconsistently enforced email-address visibility in <code>DashboardsController::listTemplates()</code>.</p>\n<p>The query always fetched <code>User.email</code>, while redaction happened only inside the non-REST rendering branch. As a result, the same authenticated user who saw redacted data in the normal HTML interface could request the REST/JSON representation and receive template owners’ email addresses without the intended privilege check.</p>\n<p>The fix moves the decision to a centralized <code>User::canSeeEmails()</code> authorization helper. Email addresses are now fetched only when the requester is a site administrator or the instance explicitly enables <code>Security.disclose_user_emails</code>. The same helper is also reused by other dashboard widgets to keep email-disclosure policy consistent.</p>Version affected: ≤2.5.45<br>"
                        }
                    ],
                    "value": "Affected versions of MISP inconsistently enforced email-address visibility in DashboardsController::listTemplates().\n\n\nThe query always fetched User.email, while redaction happened only inside the non-REST rendering branch. As a result, the same authenticated user who saw redacted data in the normal HTML interface could request the REST/JSON representation and receive template owners’ email addresses without the intended privilege check.\n\n\nThe fix moves the decision to a centralized User::canSeeEmails() authorization helper. Email addresses are now fetched only when the requester is a site administrator or the instance explicitly enables Security.disclose_user_emails. The same helper is also reused by other dashboard widgets to keep email-disclosure policy consistent.\n\nVersion affected: ≤2.5.45"
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-1",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "attackVector": "NETWORK",
                        "baseScore": 5.3,
                        "baseSeverity": "MEDIUM",
                        "privilegesRequired": "LOW",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "NONE",
                        "vulnConfidentialityImpact": "LOW",
                        "vulnIntegrityImpact": "NONE",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-200",
                            "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-862",
                            "description": "CWE-862 Missing Authorization",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8",
                "shortName": "CIRCL",
                "dateUpdated": "2026-09-07T12:17:43.320Z"
            },
            "references": [
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/MISP/MISP/commit/fd554c3bd.patch"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "MISP Dashboard Template REST API Exposes Template Owner Email Addresses to Unauthorized Users",
            "x_generator": {
                "engine": "Vulnogram 0.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-09-08T14:50:16.295581Z",
                                "id": "CVE-2026-86417",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-09-08T14:50:22.615Z"
                }
            }
        ]
    }
}