Detections
Analytics
CVE-2026-73255
medium
Description
Mongoose is an embedded web server and network library. Prior to 7.22, an attacker who can control an SSI-enabled file can place directory traversal sequences in an #include file or #include virtual directive. The mg_ssi() function in src/ssi.c concatenates the directive argument into a filesystem path without calling mg_path_is_sane(), allowing an MG_ENABLE_SSI deployment with ssi_pattern configured to disclose files readable by the Mongoose process. This issue is fixed in version 7.22.
References
https://github.com/cesanta/mongoose/security/advisories/GHSA-h7m9-764r-7x4x
https://github.com/cesanta/mongoose/releases/tag/7.22
https://github.com/cesanta/mongoose/pull/3611
https://github.com/cesanta/mongoose/commit/a9df523f76f43a38bd53b4232b9cfd4c16869e71