CVE-2026-77755: Uncontrolled Resource Consumption

A denial-of-service vulnerability was identified in misp-stix when processing attacker-controlled STIX 1 or STIX 2 documents. The STIX import code used sys.exit to handle several parsing and loading failures. Because SystemExit inherits from BaseException rather than Exception, these failures...

CVE-2026-77761: Incomplete Cleanup

A parser state isolation vulnerability in misp-stix could cause data from a previously processed STIX document to be retained and incorporated into the MISP event generated from a subsequent document when the same parser instance is reused. Several STIX 1 and STIX 2 parser components maintained...

CVE-2018-19908: Improper Neutralization of Special Elements used in an OS Command

An issue was discovered in MISP 2.4.9x before 2.4.99. In app/Model/Event.php the STIX 1 import code, an unescaped filename string is used to construct a shell command. This vulnerability can be abused by a malicious authenticated user to execute arbitrary commands by tweaking the original filenam...