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Agno session state overwrites between different sessions/users

High severity GitHub Reviewed Published Oct 31, 2025 in agno-agi/agno • Updated Oct 31, 2025

Package

agno (pip)

Affected versions

>= 2.0.0, < 2.2.2

Patched versions

2.2.2

Description

Impact

Under certain conditions (under high concurrency), when session_state is passed to an Agent or Team during run or arun calls, a race condition can occur, causing a session_state to be assigned and persisted to the incorrect session. This may result in user data from one session being exposed to another user.

Patches

This has been patched in version 2.2.2. Upgrade with pip install -U agno.

References

@manuhortet manuhortet published to agno-agi/agno Oct 31, 2025
Published by the National Vulnerability Database Oct 31, 2025
Published to the GitHub Advisory Database Oct 31, 2025
Reviewed Oct 31, 2025
Last updated Oct 31, 2025

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
High
Privileges required
Low
User interaction
None
Scope
Changed
Confidentiality
High
Integrity
Low
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(7th percentile)

Weaknesses

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. Learn more on MITRE.

Exposure of Resource to Wrong Sphere

The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource. Learn more on MITRE.

CVE ID

CVE-2025-64168

GHSA ID

GHSA-vw84-hprm-cxmm

Source code

Credits

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