{"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"}}]}}