CVE-2026-86323

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The GET /api/v2/users/:id/mail_notifications endpoint resolves the target account using User.find(params[:id]) without verifying that the authenticated user is authorized to access that user\u2019s notification configuration. Additionally, the POST and PUT /api/v2/users/:user_id/mail_notifications paths call deny_access when the requester is unauthorized but fail to halt execution, allowing the request to continue and persist the unauthorized change despite a 403 response or subsequent DoubleRenderError. This can allow a user to disclose another user\u2019s mail-notification configuration, including mail_query values, and, where write permissions apply, modify or create notification settings for another user."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat Satellite 6.16 for RHEL 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "foreman", "defaultStatus": "affected", "versions": [{"version": "0:3.12.0.26-1.el8sat", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:satellite:6.16::el8", "cpe:/a:redhat:satellite:6.16::el9", "cpe:/a:redhat:satellite_capsule:6.16::el8", "cpe:/a:redhat:satellite_capsule:6.16::el9", "cpe:/a:redhat:satellite_utils:6.16::el8", "cpe:/a:redhat:satellite_utils:6.16::el9"]}, {"vendor": "Red Hat", "product": "Red Hat Satellite 6.16 for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "foreman", "defaultStatus": "affected", "versions": [{"version": "0:3.12.0.26-1.el9sat", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:satellite:6.16::el8", "cpe:/a:redhat:satellite:6.16::el9", "cpe:/a:redhat:satellite_capsule:6.16::el8", "cpe:/a:redhat:satellite_capsule:6.16::el9", "cpe:/a:redhat:satellite_utils:6.16::el8", "cpe:/a:redhat:satellite_utils:6.16::el9"]}, {"vendor": "Red Hat", "product": "Red Hat Satellite 6.17 for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "foreman", "defaultStatus": "affected", "versions": [{"version": "0:3.14.0.26-1.el9sat", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:satellite:6.17::el9", "cpe:/a:redhat:satellite_capsule:6.17::el9", "cpe:/a:redhat:satellite_maintenance:6.17::el9", "cpe:/a:redhat:satellite_utils:6.17::el9"]}, {"vendor": "Red Hat", "product": "Red Hat Satellite 6.18 for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "foreman", "defaultStatus": "affected", "versions": [{"version": "0:3.16.0.29-1.el9sat", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:satellite:6.18::el9", "cpe:/a:redhat:satellite_capsule:6.18::el9", "cpe:/a:redhat:satellite_maintenance:6.18::el9", "cpe:/a:redhat:satellite_utils:6.18::el9"]}], "references": [{"url": "https://access.redhat.com/errata/RHSA-2026:99949", "name": "RHSA-2026:99949", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:99950", "name": "RHSA-2026:99950", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:99952", "name": "RHSA-2026:99952", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/security/cve/CVE-2026-86323", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2529290", "name": "RHBZ#2529290", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-11-12T18:49:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-639", "description": "Authorization Bypass Through User-Controlled Key", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-639: Authorization Bypass Through User-Controlled Key", "timeline": [{"lang": "en", "time": "2026-09-07T06:19:41.589Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-11-12T18:49:00.000Z", "value": "Made public."}], "credits": [{"lang": "en", "value": "This issue was discovered by Sandipan Roy (Red Hat) and Tej Rathi (Red Hat)."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-11-13T00:17:18.830Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

{}

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{"acknowledgement": "This issue was discovered by Sandipan Roy (Red Hat) and Tej Rathi (Red Hat).", "bugzilla": {"description": "foreman: authorization flaw in the mail-notification endpoints implemented by Api::V2::MailNotificationsController", "id": "2529290", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2529290"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "status": "draft"}, "cwe": "CWE-639", "details": ["A flaw was found in Foreman\u2019s Api::V2::MailNotificationsController, where authorization checks on user-specific mail-notification resources are insufficient. The GET /api/v2/users/:id/mail_notifications endpoint resolves the target account using User.find(params[:id]) without verifying that the authenticated user is authorized to access that user\u2019s notification configuration. Additionally, the POST and PUT /api/v2/users/:user_id/mail_notifications paths call deny_access when the requester is unauthorized but fail to halt execution, allowing the request to continue and persist the unauthorized change despite a 403 response or subsequent DoubleRenderError. This can allow a user to disclose another user\u2019s mail-notification configuration, including mail_query values, and, where write permissions apply, modify or create notification settings for another user."], "name": "CVE-2026-86323", "package_state": [{"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "foreman", "product_name": "Red Hat Satellite 6"}], "public_date": "2026-11-12T18:49:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-86323\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-86323"], "threat_severity": "Moderate"}

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