HackerOne Bug Bounty Disclosure: path-traversal-vulnerability-in-nextcloud-tables-enables-arbitrary-file-exfiltration-of-any-files-supported-by-phpspreadsheet-library-daroo

Company Name:
Nextcloud

Company HackerOne URL:
https://hackerone.com/nextcloud

Submitted By:
daroo

Link to Submitters Profile:
https://hackerone.com/daroo

Report Title:
Path Traversal Vulnerability in Nextcloud Tables Enables Arbitrary File Exfiltration of Any Files Supported by PhpSpreadsheet Library

Report Link:
https://hackerone.com/reports/3249624

Date Submitted:
16 October 2025

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