CVE-2026-88938knowns through 0.33.0 Path Traversal via code.find MCP tool
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-22
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
knowns-dev knowns knowns_dev:knowns (from the name) | through 0.33.0 | CNA record |
References
- https://github.com/knowns-dev/knowns/security/advisories/GHSA-5cj9-fcqq-g2h7vendor-advisory
- https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/mcp/handlers/code.go#L873-L902technical-description
- https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/mcp/handlers/code.go#L1293-L1354technical-description
- https://www.vulncheck.com/advisories/knowns-through-0.33.0-path-traversal-via-code-find-mcp-toolthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.