CVE-2026-62143: Server-Side Request Forgery (SSRF)

A Server-Side Request Forgery SSRF protection bypass existed in the htmltomarkdown expansion module of misp-modules. The module attempts to prevent requests to loopback, private, link-local, and other restricted IP address ranges. However, IP addresses were compared against the blocked ranges...

Improper Encoding or Escaping of Output

Overview Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output in the htmltomarkdown, markdowntohtml, and inlinecss filters due to incorrect declaration of output safety. An attacker can inject unescaped HTML or script content by supplying specially crafted...

CVE-2026-44363: Improper Certificate Validation

MISP modules are autonomous modules that can be used to extend MISP for new services. Prior to 3.0.7, an unsafe remote resource fetching vulnerability existed in MISP Modules expansion modules. The htmltomarkdown module accepted arbitrary HTTPS URLs without sufficient validation, which could allo...