knowns before 0.30.0 Path Traversal via MCP doc and memory tools

Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-86439 · CVE overview and exploitation status

EUVD-2026-72555

GHSA-qjrq-cvv4-3g9w

GHSA-9gfj-28hw-jchp

cve-program · CVE-2026-86439

• https://github.com/knowns-dev/knowns/security/advisories/GHSA-9gfj-28hw-jchp
• https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/storage/doc_store.go#L124-L129
• https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/storage/memory_store.go#L203-L211
• https://github.com/knowns-dev/knowns/commit/09c5a96fd5817b941dc86669278c1a17db10ed4e
• https://github.com/knowns-dev/knowns/releases/tag/v0.30.0
• https://www.vulncheck.com/advisories/knowns-before-0.30.0-path-traversal-via-mcp-doc-and-memory-tools

euvd · EUVD-2026-72555

• https://github.com/knowns-dev/knowns/security/advisories/GHSA-9gfj-28hw-jchp
• https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/storage/doc_store.go#L124-L129
• https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/storage/memory_store.go#L203-L211
• https://github.com/knowns-dev/knowns/commit/09c5a96fd5817b941dc86669278c1a17db10ed4e
• https://github.com/knowns-dev/knowns/releases/tag/v0.30.0
• https://www.vulncheck.com/advisories/knowns-before-0.30.0-path-traversal-via-mcp-doc-and-memory-tools

nvd · CVE-2026-86439

• https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/storage/doc_store.go#L124-L129
• https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/storage/memory_store.go#L203-L211
• https://github.com/knowns-dev/knowns/commit/09c5a96fd5817b941dc86669278c1a17db10ed4e
• https://github.com/knowns-dev/knowns/releases/tag/v0.30.0
• https://github.com/knowns-dev/knowns/security/advisories/GHSA-9gfj-28hw-jchp
• https://www.vulncheck.com/advisories/knowns-before-0.30.0-path-traversal-via-mcp-doc-and-memory-tools

osv · GHSA-9gfj-28hw-jchp

• https://github.com/knowns-dev/knowns/security/advisories/GHSA-9gfj-28hw-jchp
• https://nvd.nist.gov/vuln/detail/CVE-2026-86439
• https://github.com/knowns-dev/knowns/commit/09c5a96fd5817b941dc86669278c1a17db10ed4e
• https://github.com/knowns-dev/knowns
• https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/storage/doc_store.go#L124-L129
• https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/storage/memory_store.go#L203-L211
• https://github.com/knowns-dev/knowns/releases/tag/v0.30.0
• https://www.vulncheck.com/advisories/knowns-before-0.30.0-path-traversal-via-mcp-doc-and-memory-tools

osv · GHSA-qjrq-cvv4-3g9w

• https://github.com/knowns-dev/knowns/security/advisories/GHSA-9gfj-28hw-jchp
• https://nvd.nist.gov/vuln/detail/CVE-2026-86439
• https://github.com/knowns-dev/knowns/commit/09c5a96fd5817b941dc86669278c1a17db10ed4e
• https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/storage/doc_store.go#L124-L129
• https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/storage/memory_store.go#L203-L211
• https://github.com/knowns-dev/knowns/releases/tag/v0.30.0
• https://www.vulncheck.com/advisories/knowns-before-0.30.0-path-traversal-via-mcp-doc-and-memory-tools

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