{"apiVersion":"1.0","identifier":"CVE-2026-73255","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.","publishedAt":"2026-08-20T18:16:46","lastModifiedAt":"2026-08-25T15:16:42","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73255","cvssScore":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","epssProbability":0.00594,"riskScore":0.68,"affectedProduct":"Mongoose","affectedVersions":"<7.22","vulnerabilityType":"Library","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-73255","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-73255","en":"https://www.redsauce.net/en/cves/CVE-2026-73255","fr":"https://www.redsauce.net/fr/cves/CVE-2026-73255","pt":"https://www.redsauce.net/pt/cves/CVE-2026-73255","de":"https://www.redsauce.net/de/cves/CVE-2026-73255","sk":"https://www.redsauce.net/sk/cves/CVE-2026-73255","el":"https://www.redsauce.net/el/cves/CVE-2026-73255"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-73255"}}