Unrated severityNVD Advisory· Published Jul 28, 2026· Updated Jul 28, 2026
TinyWeb 0.0.8 Path Traversal via URL Path Component
CVE-2026-67185
Description
TinyWeb through 0.0.8 contains a path traversal vulnerability that allows unauthenticated attackers to read arbitrary files by submitting ../ sequences in the URL path, which are concatenated directly to the configured web root in HttpBuilder::buildResponse() without normalization, dot-segment removal, or boundary checks. Attackers can craft a single request with ../ sequences that pass through the URL parser unchanged and reach the filesystem call via HttpFile::setFile(), exposing sensitive files such as credential stores and private keys when the server process runs as root.
Affected products
2- Range: <=0.0.8
Patches
Vulnerability mechanics
References
1- www.vulncheck.com/advisories/tinyweb-path-traversal-via-url-path-componentmitrethird-party-advisory
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