{"vulnerability": "CVE-2026-51876", "sightings": [{"uuid": "f849c887-c655-4ed3-b61a-350bc06aa334", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-51876", "type": "seen", "source": "https://gist.github.com/Ro1ME/c5685936179edcbf942f3fdd745d1473", "content": "# CVE-2026-51876\n\n**Type:** Incorrect Access Control\n**Product:** DeepTutor\n**Affected versions:** v1.4.0\n**Affected component:** `Book confirmation and persistence flow: deeptutor/book/storage.py:_atomic_write_text`\n**Reference:** https://github.com/HKUDS/DeepTutor/issues/514\n\n## Description\n\nDeepTutor 1.4.0 contains an authorization bypass vulnerability in the book confirmation flow. An unauthenticated or unauthorized caller can reuse a publicly exposed book_id to submit a confirm-proposal request for an existing book, causing unauthorized overwrites of persisted metadata and spine content.\n\n## Discoverer\n\nRo1ME\n", "creation_timestamp": "2026-09-26T04:04:12.000000Z"}]}