AfterDeleteBench: Auditing Post-Deletion Information Persistence in LLM Agents

# AfterDeleteBench: Auditing Post-Deletion Information Persistence in LLM Agents

https://gcdradar.vercel.app/incidents/afterdeletebench-auditing-post-deletion-information-persiste · AIR-2026-1474 · closed 2026-11-06

- Lane: Research
- Severity: 1 (Research / proof of concept)
- Fix status: Fix status unknown
- First reported: 2026-10-23
- AI role: Attack on AI
- Products: AfterDeleteBench

## Summary

Researchers introduce AfterDeleteBench to audit memory persistence vulnerabilities in LLM agents where deleted records remain accessible via descendants. The controlled behavioral audit highlights failure modes in agentic memory management.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-10-23: AfterDeleteBench: Auditing Post-Deletion Information Persistence in LLM Agents (https://arxiv.org/abs/2610.31366)

## Sources

- 2026-10-23 arXiv: AfterDeleteBench: Auditing Post-Deletion Information Persistence in LLM Agents https://arxiv.org/abs/2610.31366

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.