{"id":"CVE-2026-86417","aliases":["EUVD-2026-72360","GHSA-82w9-ppqv-p5c6"],"status":"published","title":"MISP Dashboard Template REST API Exposes Template Owner Email Addresses to Unauthorized Users","description":"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","severity":{"version":"4.0","score":5.3,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.0027,"percentile":0.19471,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200","CWE-862"],"published":"2026-09-07T12:17:43Z","modified":"2026-10-28T02:30:30Z","products":[{"vendor":"misp","product":"misp"},{"vendor":"misp-project","product":"misp"}],"references":[{"url":"https://github.com/MISP/MISP/commit/fd554c3bd.patch","tags":["patch","Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86417","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-82w9-ppqv-p5c6"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86417.json","tags":["advisory"]},{"url":"https://github.com/MISP/MISP","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-86417","title":"MISP Dashboard Template REST API Exposes Template Owner Email Addresses to Unauthorized Users","description":"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","status":"published","published":"2026-09-07T12:17:43.32Z","modified":"2026-09-08T14:50:22.615Z","cvss":[{"version":"4.0","score":5.3,"vector":"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","level":"medium","assessor":"cna"}],"cwes":["CWE-200","CWE-862"],"updated_at":"2026-11-02T13:49:42.666099Z"}],"euvd":[{"id":"EUVD-2026-72360","description":"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","status":"published","published":"2026-09-07T12:17:43Z","modified":"2026-09-08T14:50:22Z","cvss":[{"version":"4.0","score":5.3,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T17:28:29.426Z"}],"ghsa":[{"id":"GHSA-82w9-ppqv-p5c6","title":"Affected versions of MISP inconsistently enforced email-address visibility in...","description":"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","status":"published","published":"2026-09-07T15:33:52Z","modified":"2026-09-09T15:34:44Z","cvss":[{"version":"4.0","score":5.3,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:11:38.096751Z"}],"nvd":[{"id":"CVE-2026-86417","description":"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","status":"published","published":"2026-09-07T13:20:40.393Z","modified":"2026-09-09T15:26:08.863Z","cvss":[{"version":"4.0","score":5.3,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200","CWE-862"],"updated_at":"2026-11-02T14:12:44.436435Z"}],"osv":[{"id":"CVE-2026-86417","title":"MISP Dashboard Template REST API Exposes Template Owner Email Addresses to Unauthorized Users","description":"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","status":"published","published":"2026-09-07T12:17:43.32Z","modified":"2026-10-28T02:30:30.95462169Z","cvss":[{"version":"4.0","score":5.3,"vector":"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","level":"medium"}],"cwes":["CWE-200","CWE-862"],"updated_at":"2026-11-02T15:45:18.825071Z"}]}}