CVE-2026-89022

BookStack before 26.05.5 contains an authentication bypass vulnerability in its social login implementation that allows unauthenticated attackers to sign in as arbitrary users by authenticating through a different social provider sharing the same driverid namespace. Attackers can authenticate at...

CVE-2026-89022 BookStack < 26.05.5 Authentication Bypass via Social Login Provider Confusion

BookStack before 26.05.5 contains an authentication bypass vulnerability in its social login implementation that allows unauthenticated attackers to sign in as arbitrary users by authenticating through a different social provider sharing the same driverid namespace. Attackers can authenticate at...

CVE-2026-89022 BookStack < 26.05.5 Authentication Bypass via Social Login Provider Confusion

BookStack before 26.05.5 contains an authentication bypass vulnerability in its social login implementation that allows unauthenticated attackers to sign in as arbitrary users by authenticating through a different social provider sharing the same driverid namespace. Attackers can authenticate at...

EUVD-2026-78821

BookStack before 26.05.5 contains an authentication bypass vulnerability in its social login implementation that allows unauthenticated attackers to sign in as arbitrary users by authenticating through a different social provider sharing the same driverid namespace. Attackers can authenticate at...

CVE-2026-89022 BookStack < 26.05.5 Authentication Bypass via Social Login Provider Confusion

BookStack before 26.05.5 contains an authentication bypass vulnerability in its social login implementation that allows unauthenticated attackers to sign in as arbitrary users by authenticating through a different social provider sharing the same driverid namespace. Attackers can authenticate at...

CVE-2026-89022

BookStack before 26.05.5 is affected by an authentication bypass in its social login implementation. The root cause lies in SocialAuthService::handleLoginCallback , whose database query ignores the driver column when retrieving linked account records, allowing an unauthenticated attacker to authe...

PT-2026-92117

Name of the Vulnerable Software and Affected Versions BookStack versions prior to 26.05.5 Description An authentication bypass exists in the social login implementation. Unauthenticated attackers can sign in as arbitrary users by authenticating through a social provider that shares the same drive...

CVE-2026-89022: Authentication Bypass by Spoofing

BookStack before 26.05.5 contains an authentication bypass vulnerability in its social login implementation that allows unauthenticated attackers to sign in as arbitrary users by authenticating through a different social provider sharing the same driverid namespace. Attackers can authenticate at...

CVE-2026-86285

A vulnerability was detected in BookStack up to 26.05.2. Affected by this issue is the function AttachmentController::getUpdateForm of the file app/Uploads/Controllers/AttachmentController.php of the component Attachment Edit Endpoint. The manipulation of the argument ID results in improper acces...

CVE-2026-86285 BookStack Attachment Edit Endpoint AttachmentController.php getUpdateForm access control

A vulnerability was detected in BookStack up to 26.05.2. Affected by this issue is the function AttachmentController::getUpdateForm of the file app/Uploads/Controllers/AttachmentController.php of the component Attachment Edit Endpoint. The manipulation of the argument ID results in improper acces...

CVE-2026-86285

BookStack versions up to 26.05.2 are affected by an improper access control vulnerability in the Attachment Edit Endpoint , specifically the AttachmentController::getUpdateForm function in app/Uploads/Controllers/AttachmentController.php. The ID argument can be manipulated to bypass permission ch...

CVE-2026-86285 BookStack Attachment Edit Endpoint AttachmentController.php getUpdateForm access control

A vulnerability was detected in BookStack up to 26.05.2. Affected by this issue is the function AttachmentController::getUpdateForm of the file app/Uploads/Controllers/AttachmentController.php of the component Attachment Edit Endpoint. The manipulation of the argument ID results in improper acces...

EUVD-2026-72301

A vulnerability was detected in BookStack up to 26.05.2. Affected by this issue is the function AttachmentController::getUpdateForm of the file app/Uploads/Controllers/AttachmentController.php of the component Attachment Edit Endpoint. The manipulation of the argument ID results in improper acces...

CVE-2026-86285: Improper Access Control

A vulnerability was detected in BookStack up to 26.05.2. Affected by this issue is the function AttachmentController::getUpdateForm of the file app/Uploads/Controllers/AttachmentController.php of the component Attachment Edit Endpoint. The manipulation of the argument ID results in improper acces...

PT-2026-86658

A vulnerability was detected in BookStack up to 26.05.2. Affected by this issue is the function AttachmentController::getUpdateForm of the file app/Uploads/Controllers/AttachmentController.php of the component Attachment Edit Endpoint. The manipulation of the argument ID results in improper acces...

CVE-2026-84695

BookStack before 26.05.4 contains a stored cross-site scripting vulnerability in the drawing upload endpoint that accepts unvalidated base64 content and stores it without content inspection. Attackers with editor permissions can upload SVG files containing scripts that execute in administrator...

CVE-2026-84695 BookStack before 26.05.4 Stored XSS via Drawing Upload

BookStack before 26.05.4 contains a stored cross-site scripting vulnerability in the drawing upload endpoint that accepts unvalidated base64 content and stores it without content inspection. Attackers with editor permissions can upload SVG files containing scripts that execute in administrator...

CVE-2026-84695 BookStack before 26.05.4 Stored XSS via Drawing Upload

BookStack before 26.05.4 contains a stored cross-site scripting vulnerability in the drawing upload endpoint that accepts unvalidated base64 content and stores it without content inspection. Attackers with editor permissions can upload SVG files containing scripts that execute in administrator...

EUVD-2026-69786

BookStack before 26.05.4 contains a stored cross-site scripting vulnerability in the drawing upload endpoint that accepts unvalidated base64 content and stores it without content inspection. Attackers with editor permissions can upload SVG files containing scripts that execute in administrator...

CVE-2026-84695

BookStack versions before 26.05.4 are affected by a stored cross-site scripting (XSS) vulnerability in the drawing upload endpoint , which accepts unvalidated base64 content and stores it without content inspection. Attackers holding editor permissions can upload SVG files containing scripts that...