EUVD-2026-87737

SiYuan versions before v3.8.4 fail to properly escape four stored Attribute View values in textarea elements, allowing authenticated attackers to inject JavaScript by modifying field descriptions, template sources, select option descriptions, or footer calculation templates. Attackers can execute...

CVE-2026-100638 SiYuan before v3.8.4 Path Traversal via setNotebookIcon

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the setNotebookIcon endpoint that allows authenticated administrators to create arbitrary directory trees and write files outside the workspace boundary. Attackers can supply directory traversal sequences in the notebook...

CVE-2026-100638

SiYuan versions before v3.8.4 are vulnerable to a path traversal flaw in the setNotebookIcon endpoint. Authenticated administrators can exploit this by supplying directory traversal sequences in the notebook parameter to escape the workspace data directory. This allows for the creation of arbitra...

CVE-2026-100638 SiYuan before v3.8.4 Path Traversal via setNotebookIcon

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the setNotebookIcon endpoint that allows authenticated administrators to create arbitrary directory trees and write files outside the workspace boundary. Attackers can supply directory traversal sequences in the notebook...

EUVD-2026-87732

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the setNotebookIcon endpoint that allows authenticated administrators to create arbitrary directory trees and write files outside the workspace boundary. Attackers can supply directory traversal sequences in the notebook...

CVE-2026-100638 SiYuan before v3.8.4 Path Traversal via setNotebookIcon

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the setNotebookIcon endpoint that allows authenticated administrators to create arbitrary directory trees and write files outside the workspace boundary. Attackers can supply directory traversal sequences in the notebook...

EUVD-2026-87731

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the checkoutRepo endpoint that allows authenticated administrators to write JSON files outside the workspace. Attackers can supply a sessionID parameter containing directory traversal sequences to overwrite arbitrary JSON fil...

CVE-2026-100637

SiYuan versions before v3.8.4 are vulnerable to a path traversal vulnerability within the checkoutRepo endpoint. This flaw allows authenticated administrators to write JSON files outside the designated workspace by supplying a sessionID parameter containing directory traversal sequences. Successf...

CVE-2026-100637 SiYuan before v3.8.4 Path Traversal via checkoutRepo sessionID

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the checkoutRepo endpoint that allows authenticated administrators to write JSON files outside the workspace. Attackers can supply a sessionID parameter containing directory traversal sequences to overwrite arbitrary JSON fil...

CVE-2026-100637 SiYuan before v3.8.4 Path Traversal via checkoutRepo sessionID

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the checkoutRepo endpoint that allows authenticated administrators to write JSON files outside the workspace. Attackers can supply a sessionID parameter containing directory traversal sequences to overwrite arbitrary JSON fil...

EUVD-2026-87730

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the exportBrowserHTML endpoint that allows authenticated administrators to write arbitrary HTML content to index.html outside the workspace directory. Attackers can supply a folder parameter with directory traversal sequences...

CVE-2026-100636 SiYuan before v3.8.4 Path Traversal via exportBrowserHTML folder

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the exportBrowserHTML endpoint that allows authenticated administrators to write arbitrary HTML content to index.html outside the workspace directory. Attackers can supply a folder parameter with directory traversal sequences...

CVE-2026-100636 SiYuan before v3.8.4 Path Traversal via exportBrowserHTML folder

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the exportBrowserHTML endpoint that allows authenticated administrators to write arbitrary HTML content to index.html outside the workspace directory. Attackers can supply a folder parameter with directory traversal sequences...

CVE-2026-100633 SiYuan 3.8.0 through 3.8.3 Path Traversal via MCP File Operations

SiYuan is a self-hosted personal knowledge management system. In versions 3.8.0 through 3.8.3, the MCP file tool's sensitive-path guard util.IsForbiddenAbsPath, invoked from resolvePath is applied only to the allowed root of recursive operations and not to each resolved descendant path — an...

EUVD-2026-87727

SiYuan is a self-hosted personal knowledge management system. In versions 3.8.0 through 3.8.3, the MCP file tool's sensitive-path guard util.IsForbiddenAbsPath, invoked from resolvePath is applied only to the allowed root of recursive operations and not to each resolved descendant path — an...

CVE-2026-100632 Parse Server 9.0.0 before 9.10.1 Protected Fields Disclosure via LiveQuery

Parse Server is an open-source backend server. In versions = 9.0.0 and 9.10.1-alpha.8, and in versions 8.6.89, LiveQuery evaluates the protectedFields class-level permission against an incompletely resolved caller identity: the subscriber's roles are not resolved, and when a subscription does not...

CVE-2026-100632 Parse Server 9.0.0 before 9.10.1 Protected Fields Disclosure via LiveQuery

Parse Server is an open-source backend server. In versions = 9.0.0 and 9.10.1-alpha.8, and in versions 8.6.89, LiveQuery evaluates the protectedFields class-level permission against an incompletely resolved caller identity: the subscriber's roles are not resolved, and when a subscription does not...

CVE-2026-100628

Versions of capgo.app prior to 12.128.12 are vulnerable to a security flaw where the system fails to enforce organization API key expiration policies for app-scoped keys. Specifically, the POST /apikey endpoint does not include the owner organization in the validation list when app_id is provided...

CVE-2026-100624 Capgo.app before 12.264.5 Upload Expiry Bypass via build upload

Capgo.app before 12.264.5 does not enforce upload expiry or build lifecycle state in the /build/upload/:jobId TUS proxy endpoint. When a native build request is created, an uploadexpiresat timestamp one hour and a 'pending' status are stored in buildrequests, but the upload proxy loads only appid...

CVE-2026-100624

Capgo.app versions prior to 12.264.5 are vulnerable to an upload expiry bypass in the /build/upload/:jobId TUS proxy endpoint. The root cause is that the upload proxy fails to enforce the upload_expires_at timestamp or the pending status from the build_requests table; it only verifies the app.bui...