CVE-2026-112991: misp-modules 0 through 3.0.12

Affected technology

misp-modules · 0 through 3.0.12
MISP

Component: misp_modules/modules/expansion/html_to_markdown.py
File: misp_modules/modules/expansion/html_to_markdown.py

Attack conditions (Source advisory, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

An attacker can probe and read responses from internal services, carrier-grade NAT infrastructure, or link-local endpoints that would otherwise be unreachable from external networks. Source advisory’s CVSS 4.0 assessment (base score 6.3/10) rates confidentiality, integrity and availability impact as none.