CVE-2026-44504: Aegra

High severity, CVSS 8.6. EPSS: 0.4% chance of exploitation in the next 30 days.

Aegra is a drop-in replacement for LangSmith Deployments. Prior to 0.9.7, with multiple authenticated users on a shared instance are vulnerable to a cross-tenant IDOR. Any authenticated attacker, given another user's thread_id, can execute graph runs against the user's thread, read the user's full checkpoint state, and inject arbitrary messages into the user's conversation history. This vulnerability is fixed in 0.9.7.

Affected products

• Aegra Aegra: before 0.9.7 (fixed in 0.9.7)

Published 2026-05-14. Last modified 2026-06-17.