{"data":{"id":"35806cf8-4ed5-45b3-8db2-9be7c3b3d3f4","title":"GHSA-jfrm-rx66-g536: NiceGUI: Local file disclosure via Docutils file insertion in ui.restructured_text()","summary":"NiceGUI's `ui.restructured_text()` function renders user-supplied reStructuredText using Docutils without disabling file insertion directives, allowing attackers to read local files accessible to the server using standard Docutils directives like `include` and `raw`. This vulnerability only affects applications that pass untrusted or user-controlled content to this function, not those using only static trusted strings.","solution":"Disable unsafe Docutils features by modifying the `publish_parts()` call in `prepare_content()` to include these `settings_overrides`: `'file_insertion_enabled': False`, `'raw_enabled': False`, and `'_disable_config': True`. This blocks the `include`, `csv-table :file:`, and `raw :file:` directives as well as local `docutils.conf` overrides.","labels":["security"],"sourceUrl":"https://github.com/advisories/GHSA-jfrm-rx66-g536","publishedAt":"2026-05-18T20:21:59.000Z","cveId":"CVE-2026-45553","cweIds":null,"cvssScore":null,"cvssSeverity":"high","severity":"high","attackType":["data_extraction"],"issueType":"vulnerability","affectedPackages":["nicegui@<= 3.11.1 (fixed: 3.12.0)"],"affectedVendors":[],"affectedVendorsRaw":["NiceGUI"],"classifierModel":"claude-haiku-4-5-20251001","classifierPromptVersion":"v3","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":"unknown","epssScore":0,"patchAvailable":true,"disclosureDate":"2026-05-18T20:21:59.000Z","capecIds":null,"crossRefCount":0,"attackSophistication":"trivial","impactType":["confidentiality"],"aiComponentTargeted":null,"llmSpecific":false,"classifierConfidence":0.75,"researchCategory":null,"atlasIds":null}}