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CVE-2026-73255

Mongoose: Path traversal in SSI #include directives enables arbitrary file read PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
cesanta / mongooseaffected < 7.22

CWE

CWE-22

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.