CVE-2026-88938

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    CVE-2026-88938

    Published: 10 Sept 2026Last Modified: 11 Sept 2026

    Summary: knowns through 0.33.0 Path Traversal via code.find MCP tool

    Details: 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 from outside the intended project directory.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/88xxx/CVE-2026-88938.json, https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/mcp/handlers/code.go#L1293-L1354, https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/mcp/handlers/code.go#L873-L902, https://github.com/knowns-dev/knowns/security/advisories/GHSA-5cj9-fcqq-g2h7, https://nvd.nist.gov/vuln/detail/CVE-2026-88938, https://www.vulncheck.com/advisories/knowns-through-0.33.0-path-traversal-via-code-find-mcp-tool

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    v0.33.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-88938 | CVE-DB