CVE-2026-86542: CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in knowns-dev knowns
knowns before 0.30.0 fails to validate import names in the import routes, allowing unauthenticated attackers to write files outside the imports directory. Attackers can supply traversal sequences in the name parameter to escape the imports directory and overwrite arbitrary files writable by the server process.
CVE-2026-86542: CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in knowns-dev knowns
Description
knowns before 0.30.0 fails to validate import names in the import routes, allowing unauthenticated attackers to write files outside the imports directory. Attackers can supply traversal sequences in the name parameter to escape the imports directory and overwrite arbitrary files writable by the server process.
CVSS v4.0
Score 8.8high
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-07T22:18:52.898Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a9f43bfacd9273b497857dc
Added to database: 09/07/2026, 23:07:43 UTC
Last updated: 09/07/2026, 23:07:43 UTC
Views: 1
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