Aegra up to 0.9.6 Message thread_id improper authorization

Summaryinfo

A vulnerability marked as critical has been reported in Aegra up to 0.9.6. The affected element is an unknown function of the component Message Handler. The manipulation of the argument thread_id leads to improper authorization. This vulnerability is documented as CVE-2026-44504. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Aegra up to 0.9.6. It has been rated as critical. This issue affects an unknown code of the component Message Handler. The manipulation of the argument thread_id with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-44504 since 05/06/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

Upgrading to version 0.9.7 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-30322). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• Aegra

Version

• 0.9.0
• 0.9.1
• 0.9.2
• 0.9.3
• 0.9.4
• 0.9.5
• 0.9.6

Website

• Product: https://github.com/aegra/aegra/

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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