CVE-2026-77710 STIX2 Parser Confusion and Mass Assignment Allow Unauthorized MISP Attribute Metadata Injection in misp-stix library

A vulnerability in misp-stix could allow a crafted STIX document to influence security-sensitive MISP attribute metadata during import. The STIX import logic automatically selected between the internal MISP parser and the external STIX parser based on metadata contained in the STIX document itsel...

CVE-2026-77710

misp-stix (the MISP STIX import library) is vulnerable to STIX2 parser confusion and mass assignment (CWE-915, CWE-807). The import logic selected between the internal MISP parser and the external STIX parser based on untrusted metadata—MISP-specific tool labels (STIX2) or document title (STIX1)—...

CVE-2026-77710 STIX2 Parser Confusion and Mass Assignment Allow Unauthorized MISP Attribute Metadata Injection in misp-stix library

A vulnerability in misp-stix could allow a crafted STIX document to influence security-sensitive MISP attribute metadata during import. The STIX import logic automatically selected between the internal MISP parser and the external STIX parser based on metadata contained in the STIX document itsel...