MCP Memory Keeper: Arbitrary local file read in mcp-memory-keeper context_import via unvalidated filePath

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-54561
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-15 17:17:21 UTC
Updated2026-09-30 17:51:56 UTC
DescriptionMCP Memory Keeper is an MCP server for persistent context management in AI coding assistants. Prior to 0.13.0, context_import in src/index.ts passes the caller-controlled filePath directly to fs.readFileSync without restricting the path to an export directory. An MCP client, including an LLM agent induced to call the tool, can use ../ traversal or an absolute path to target any file readable by the server process. A valid JSON file is parsed and imported into the caller's session, allowing its full contents to be retrieved through context_get or context_export, while JSON.parse errors for non-JSON files can return leading file bytes in a SyntaxError message. The two disclosure modes can expose other exported sessions, JSON credentials or service-account files, environment files, and portions of SSH keys or other local files. This issue is fixed in version 0.13.0.

Risk And Classification

Primary CVSS: v3.1 6.2 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.002490000 probability, percentile 0.147580000 (date 2026-10-02)

Problem Types: CWE-22 | CWE-209 | CWE-22 CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | CWE-209 CWE-209: Generation of Error Message Containing Sensitive Information

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.2MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1CNADECLARED6.2MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Mkreyman Mcp-memory-keeper affected < 0.13.0 Not specified

References

ReferenceSourceLinkTags
github.com/mkreyman/mcp-memory-keeper/commit/e0ab521a9e8343bcab1ca60ccc3... [email protected] github.com
github.com/mkreyman/mcp-memory-keeper/commit/b9369568468007c85f8aec3ae09... [email protected] github.com
github.com/mkreyman/mcp-memory-keeper/pull/36 [email protected] github.com
github.com/mkreyman/mcp-memory-keeper/security/advisories/GHSA-f7wf-v2vw... [email protected] github.com
github.com/mkreyman/mcp-memory-keeper/releases/tag/v0.13.0 [email protected] github.com
github.com/mkreyman/mcp-memory-keeper/issues/35 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
github.com/mkreyman/mcp-memory-keeper/commit/58640c22e037572e0b03bc0aa25... [email protected] github.com
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