CVE-2026-88899

CVE-2026-88899 - Knowns 0.30.0 Unauthenticated Header Injection Grants AI Agent Unrestricted Access to Host Filesystem Overview An improper authorization and header-spoofing vulnerability was reported regarding Knowns' reverse proxy for an embedded OpenCode AI agent daemon...

EUVD-2026-72558

knowns OS Command Injection via Insecure LSP Binary Path Config in .knowns/config.json...

NPM: knowns OS Command Injection via Insecure LSP Binary Path Config in .knowns/config.json

NPM: knowns OS Command Injection via Insecure LSP Binary Path Config in .knowns/config.json vulnerability discovered by ? in WordPress Npm knowns versions = 0.29.1...

GHSA-MC52-MWQ4-VFX3 knowns OS Command Injection via Insecure LSP Binary Path Config in .knowns/config.json

Overview A critical Arbitrary Code Execution ACE vulnerability exists in the Knowns Language Server Protocol LSP detection and startup pipeline. The system blindly trusts the settings.lsp.languages..binary field defined in the project-level .knowns/config.json file. Because this field is never...

knowns OS Command Injection via Insecure LSP Binary Path Config in .knowns/config.json

Overview A critical Arbitrary Code Execution ACE vulnerability exists in the Knowns Language Server Protocol LSP detection and startup pipeline. The system blindly trusts the settings.lsp.languages..binary field defined in the project-level .knowns/config.json file. Because this field is never...

NPM: Knowns Unrestricted Path Traversal leading to out-of-bounds arbitrary .md file read, write, and deletion in MCP Docs + Memory Tools

NPM: Knowns Unrestricted Path Traversal leading to out-of-bounds arbitrary .md file read, write, and deletion in MCP Docs + Memory Tools vulnerability discovered by ? in WordPress Npm knowns versions = 0.29.1...

Knowns Unrestricted Path Traversal leading to out-of-bounds arbitrary .md file read, write, and deletion in MCP Docs + Memory Tools

Overview Verified. Multiple Unrestricted Path Traversal vulnerabilities exist in the Knowns MCP docs and memory tools, allowing arbitrary file read, write, and deletion operations outside the project sandbox. The storage layer functions Get, Create, Update, Rename, Delete in both docstore.go and...

GHSA-9GFJ-28HW-JCHP Knowns Unrestricted Path Traversal leading to out-of-bounds arbitrary .md file read, write, and deletion in MCP Docs + Memory Tools

Overview Verified. Multiple Unrestricted Path Traversal vulnerabilities exist in the Knowns MCP docs and memory tools, allowing arbitrary file read, write, and deletion operations outside the project sandbox. The storage layer functions Get, Create, Update, Rename, Delete in both docstore.go and...

EUVD-2026-72555

Knowns Unrestricted Path Traversal leading to out-of-bounds arbitrary .md file read, write, and deletion in MCP Docs + Memory Tools...

VulnCheck KEV: CVE-2026-30633

Directory traversal vulnerability in knowns-dev/knowns 0.11.4 via crafted path value to the getdoc and updatedoc tools...

VulnCheck KEV: CVE-2026-86538

knowns versions before 0.30.0 contain a path traversal vulnerability in the POST /api/templates/preview endpoint that allows unauthenticated attackers to read arbitrary files. Attackers can supply directory traversal sequences in the templateFile parameter to bypass path restrictions and read...

GHSA-W47M-JPV2-QFW5 Duplicate Advisory: Knowns Sandbox Escape: Unauthenticated Header Injection Grants AI Agent Unrestricted Access to Host Filesystem

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-9h2q-r9fh-f98w. This link is maintained to preserve external references. Original Description knowns versions before 0.31.0 fail to properly validate the x-opencode-directory request header in the /api/opencode...

Duplicate Advisory: Knowns Sandbox Escape: Unauthenticated Header Injection Grants AI Agent Unrestricted Access to Host Filesystem

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-9h2q-r9fh-f98w. This link is maintained to preserve external references. Original Description knowns versions before 0.31.0 fail to properly validate the x-opencode-directory request header in the /api/opencode...

CVE-2026-88937

knowns through 0.33.0 fails to properly validate template destination paths in the code generation template engine, allowing attackers to read and write arbitrary files outside the project root. Attackers can supply malicious templates that traverse directories to overwrite shell profiles, steal...

CVE-2026-88940

knowns through 0.33.0 fails to validate the path query parameter in the workspace browse endpoint, allowing remote attackers to enumerate arbitrary directories on the host filesystem. Attackers can traverse the directory structure to locate project directories and identify targets for further...

CVE-2026-88899

knowns versions before 0.31.0 fail to properly validate the x-opencode-directory request header in the /api/opencode proxy endpoint. Remote attackers can supply arbitrary directory paths to execute file operations outside the project root on the host system...

CVE-2026-88938

knowns through 0.33.0 fails to confine the path argument of the code.find MCP tool to the project root, allowing AI agent sessions to read source files anywhere on the host. Attackers can supply absolute paths or relative traversal sequences to the path argument and retrieve full file contents fr...

CVE-2026-88939

knowns through 0.33.0 exempts the project.set action from permission guard checks unconditionally, allowing read-only agent sessions to bypass restrictions. Attackers can invoke project.set to repoint the server at another project directory and obtain write access capabilities...

CVE-2026-88940 knowns through 0.33.0 Arbitrary Directory Enumeration via workspace browse endpoint

knowns through 0.33.0 fails to validate the path query parameter in the workspace browse endpoint, allowing remote attackers to enumerate arbitrary directories on the host filesystem. Attackers can traverse the directory structure to locate project directories and identify targets for further...

CVE-2026-88940 knowns through 0.33.0 Arbitrary Directory Enumeration via workspace browse endpoint

knowns through 0.33.0 fails to validate the path query parameter in the workspace browse endpoint, allowing remote attackers to enumerate arbitrary directories on the host filesystem. Attackers can traverse the directory structure to locate project directories and identify targets for further...