CVE-2026-18359: Escriptorium

High severity, CVSS 8.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Server-side request forgery in the METS and IIIF import URI handling in Scripta eScriptorium through 26.04.1 allows a remote authenticated user to make the server issue arbitrary HTTP requests to internal hosts, including the cloud instance metadata service, via the mets_uri or iiif_uri parameter of POST /api/documents/{pk}/imports/, because the IMPORT_ALLOWED_DOMAINS setting defaults to '*' and no address filtering, redirect cap or timeout is applied

Affected products

• Escriptorium Escriptorium: up to and including 26.04.1

Published 2026-08-06. Last modified 2026-08-18.