Critical severity9.1NVD Advisory· Published Sep 7, 2026
CVE-2026-86542
CVE-2026-86542
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.
Affected products
1- Range: <0.30.0
Patches
Vulnerability mechanics
References
6- github.com/knowns-dev/knowns/blob/v0.29.1/internal/server/routes/imports.gonvd
- github.com/knowns-dev/knowns/blob/v0.29.1/internal/server/routes/imports.gonvd
- github.com/knowns-dev/knowns/commit/d3989829fb5095666d23d005b2f78a082832a396nvd
- github.com/knowns-dev/knowns/releases/tag/v0.30.0nvd
- github.com/knowns-dev/knowns/security/advisories/GHSA-wh3c-v55g-qfg8nvd
- www.vulncheck.com/advisories/knowns-before-0.30.0-path-traversal-via-import-namenvd
News mentions
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