CVEvulnerability
CVE-2026-73255
6.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-08-20
- Last modified
- 2026-10-18
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-22
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.
Affected configurations
• cesanta mongoose (< 7.22)
Related
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- https://github.com/cesanta/mongoose/commit/a9df523f76f43a38bd53b4232b9cfd4c16869e71 Patch
- https://github.com/cesanta/mongoose/pull/3611 Issue Tracking, Patch
- https://github.com/cesanta/mongoose/releases/tag/7.22 Release Notes
- https://github.com/cesanta/mongoose/security/advisories/GHSA-h7m9-764r-7x4x Exploit, Vendor Advisory