{"id":"PYSEC-2026-2650","summary":"misp-modules has nsafe remote resource fetching in expansion","details":"An unsafe remote resource fetching vulnerability existed in MISP Modules expansion modules. The html_to_markdown module accepted arbitrary HTTP(S) URLs without sufficient validation, which could allow Server-Side Request Forgery against loopback, private, or link-local network resources. Additionally, the qrcode module disabled TLS certificate verification when retrieving remote images, exposing requests to potential man-in-the-middle interception or response tampering. The issue was fixed by validating URL schemes, blocking local and private address ranges, resolving hostnames before fetching, enforcing request timeouts, and re-enabling TLS certificate verification. As reported by Bilal Teke.","aliases":["CVE-2026-44363","GHSA-fhq3-2gf3-8f3j"],"modified":"2026-07-13T16:31:51.153661131Z","published":"2026-07-13T15:15:40.156015Z","references":[{"type":"WEB","url":"https://github.com/MISP/misp-modules/security/advisories/GHSA-fhq3-2gf3-8f3j"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44363"},{"type":"WEB","url":"https://github.com/MISP/misp-modules/commit/01a522f2772fc31eeed379ccf23750c8a3d401db"},{"type":"PACKAGE","url":"https://github.com/MISP/misp-modules"},{"type":"PACKAGE","url":"https://pypi.org/project/misp-modules"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-fhq3-2gf3-8f3j"}],"affected":[{"package":{"name":"misp-modules","ecosystem":"PyPI","purl":"pkg:pypi/misp-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.0.7"}]}],"versions":["2.4.196","2.4.197","2.4.198","2.4.199","2.4.200","2.4.201","3.0.0","3.0.1","3.0.2","3.0.4","3.0.5","3.0.6","3.0.7"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/misp-modules/PYSEC-2026-2650.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:H"}]}