CVE-2026-88938
knowns through 0.33.0 Path Traversal via code.find MCP tool
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-22 |
| Vendor | knowns-dev |
| Product | knowns |
| Published | Sep 10, 2026 |
| Last Updated | Sep 11, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
knowns-dev / knowns
0 ≤ 0.33.0
References
github.com: https://github.com/knowns-dev/knowns/security/advisories/GHSA-5cj9-fcqq-g2h7 github.com: https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/mcp/handlers/code.go#L873-L902 github.com: https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/mcp/handlers/code.go#L1293-L1354 vulncheck.com: https://www.vulncheck.com/advisories/knowns-through-0.33.0-path-traversal-via-code-find-mcp-tool
Credits
Tong Hoang Gia (uziii2208)