EUVD-2026-104668

The htmltomarkdown expansion module in MISP Modules contains a server-side request forgery SSRF vulnerability in its issafeurl URL validation function. The BLOCKEDRANGES list used to reject unsafe destination addresses was incomplete, omitting several critical IP address ranges. Specifically, the...

CVE-2026-112991

The htmltomarkdown expansion module in MISP Modules contains a server-side request forgery SSRF vulnerability in its issafeurl URL validation function. The BLOCKEDRANGES list used to reject unsafe destination addresses was incomplete, omitting several critical IP address ranges. Specifically, the...

CVE-2026-112991

The MISP html_to_markdown expansion module is vulnerable to Server-Side Request Forgery (SSRF) due to incomplete IP range blocking in the is_safe_url() validation function. The BLOCKED_RANGES list fails to exclude critical ranges, including 0.0.0.0/8 , 100.64.0.0/10 , ::/128 , fc00::/7 , and fe80...

CVE-2026-112991 MISP html_to_markdown Module SSRF via Incomplete IP Range Blocking in is_safe_url()

The htmltomarkdown expansion module in MISP Modules contains a server-side request forgery SSRF vulnerability in its issafeurl URL validation function. The BLOCKEDRANGES list used to reject unsafe destination addresses was incomplete, omitting several critical IP address ranges. Specifically, the...

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

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...

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...