SiYuan: MCP File Tool's Blocklist Is Incomplete Relative To The HTTP File API It Claims To Align With, Exposing Publish-

Summary "kernel/mcp/tools/file.go"'s "resolvePath" includes an explicit comment stating its sensitive-path blocklist is meant to align with the HTTP file API's established blacklist "refuseToAccess" in "kernel/api/file.go", following the remediation for GHSA-cvhv-7xhj-xjp8 "Unauthenticated...

EUVD-2026-64268

SiYuan: MCP file tool's blocklist is incomplete relative to the HTTP file API it claims to align with, exposing publish-mode passwords and other sensitive workspace files...

GHSA-C8R8-95HG-MP34 SiYuan: MCP file tool's blocklist is incomplete relative to the HTTP file API it claims to align with, exposing publish-mode passwords and other sensitive workspace files

Summary kernel/mcp/tools/file.go's resolvePath includes an explicit comment stating its sensitive-path blocklist is meant to align with the HTTP file API's established blacklist refuseToAccess in kernel/api/file.go, following the remediation for GHSA-cvhv-7xhj-xjp8 "Unauthenticated Administrator...

SiYuan: MCP file tool's blocklist is incomplete relative to the HTTP file API it claims to align with, exposing publish-mode passwords and other sensitive workspace files

Summary kernel/mcp/tools/file.go's resolvePath includes an explicit comment stating its sensitive-path blocklist is meant to align with the HTTP file API's established blacklist refuseToAccess in kernel/api/file.go, following the remediation for GHSA-cvhv-7xhj-xjp8 "Unauthenticated Administrator...

CVE-2026-100633

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-2026-100633 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...

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...

CVE-2026-100633

The SiYuan personal knowledge management system (versions 3.8.0 through 3.8.3 ) contains a sensitive-path guard bypass in the MCP file tool . The root cause is that the util.IsForbiddenAbsPath() check (invoked via resolvePath()) is only applied to the root of recursive operations rather than each...

CVE-2026-100633: Incorrect Authorization

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...

GHSA-RP7C-4PRV-9RRG Duplicate Advisory: SiYuan: MCP file tool's blocklist is incomplete relative to the HTTP file API it claims to align with, exposing publish-mode passwords and other sensitive workspace filesDuplicate Advisory:

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-c8r8-95hg-mp34. This link is maintained to preserve external references. Original Description SiYuan versions before v3.8.0 contain an incomplete path blocklist in the MCP file tool that fails to restrict access...

Duplicate Advisory: SiYuan: MCP file tool's blocklist is incomplete relative to the HTTP file API it claims to align with, exposing publish-mode passwords and other sensitive workspace filesDuplicate Advisory:

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-c8r8-95hg-mp34. This link is maintained to preserve external references. Original Description SiYuan versions before v3.8.0 contain an incomplete path blocklist in the MCP file tool that fails to restrict access...

CVE-2026-60083

SiYuan versions before v3.8.0 contain an incomplete path blocklist in the MCP file tool that fails to restrict access to sensitive workspace files protected by the HTTP API. Authenticated administrators can read plaintext publish-mode passwords from data/.siyuan/publishAccess.json and access othe...

CVE-2026-60083 SiYuan before v3.8.0 Incomplete Path Blocklist via MCP file tool

SiYuan versions before v3.8.0 contain an incomplete path blocklist in the MCP file tool that fails to restrict access to sensitive workspace files protected by the HTTP API. Authenticated administrators can read plaintext publish-mode passwords from data/.siyuan/publishAccess.json and access othe...

CVE-2026-60083

SiYuan versions before v3.8.0 have an incomplete path blocklist in the MCP file tool that fails to restrict access to sensitive workspace files normally protected by the HTTP API. An authenticated administrator can read plaintext publish-mode passwords from data/.siyuan/publishAccess.json and acc...

CVE-2026-60083 SiYuan before v3.8.0 Incomplete Path Blocklist via MCP file tool

SiYuan versions before v3.8.0 contain an incomplete path blocklist in the MCP file tool that fails to restrict access to sensitive workspace files protected by the HTTP API. Authenticated administrators can read plaintext publish-mode passwords from data/.siyuan/publishAccess.json and access othe...

CVE-2026-60083 SiYuan before v3.8.0 Incomplete Path Blocklist via MCP file tool

SiYuan versions before v3.8.0 contain an incomplete path blocklist in the MCP file tool that fails to restrict access to sensitive workspace files protected by the HTTP API. Authenticated administrators can read plaintext publish-mode passwords from data/.siyuan/publishAccess.json and access othe...

CVE-2026-60083

SiYuan versions before v3.8.0 contain an incomplete path blocklist in the MCP file tool that fails to restrict access to sensitive workspace files protected by the HTTP API. Authenticated administrators can read plaintext publish-mode passwords from data/.siyuan/publishAccess.json and access othe...

PT-2026-79543

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.8.0 Description An incomplete path blocklist in the MCP file tool fails to restrict access to sensitive workspace files protected by the HTTP API. This allows authenticated administrators to read plaintext publish-mo...

CVE-2026-60083: Incorrect Authorization

SiYuan versions before v3.8.0 contain an incomplete path blocklist in the MCP file tool that fails to restrict access to sensitive workspace files protected by the HTTP API. Authenticated administrators can read plaintext publish-mode passwords from data/.siyuan/publishAccess.json and access othe...