CVE-2026-42886: Improper Handling of Highly Compressed Data (Data Amplification)

Audiobookshelf is a self-hosted audiobook and podcast server. Prior to 2.32.2, the POST /api/backups/upload endpoint decompresses the details entry from an uploaded .audiobookshelf ZIP file entirely into memory using zip.entryData, with no limit on the decompressed size. The upload middleware als...