Preliminary research

Blind enumeration of unreadable records via a sort oracle in Trello

BobAshEf · Bugcrowd

AI-collected research leads through 3 November 2026, including a November–October–September missed-article review and a targeted multilingual search alongside earlier community-source sweeps. Unranked, incomplete, not community-vetted, and subject to change.

Uses an unreadable Trello mirror card as a hidden participant in sorting. Renaming a readable probe card reveals relative ordering against the private title, turning permitted sorting into a comparison oracle; GraphQL batching reduces the number of requests needed for enumeration.

Record

Researcher

BobAshEf

Published by

Bugcrowd

In the archive

• Collected in the 2026 preliminary research sweep

Related sources

• Demonstration video

Tags

• side-channel
• info-leak
• graphql
• auth-bypass
• owasp-a01-2021

This page is the archive's own catalogue record. The research is the work of BobAshEf, first published at the original source. Preserved copies are kept so the citation survives its host.