# CVE-2026-108818: agno authentication bypass in get_authentication_dependency

Source: https://junglewise.ai/threats/cve-2026-108818-a-vulnerability-was-identified-in-agno-agi-agno-up-to-2-7-3-3-0  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-12. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-108818 · Severity: high · CVSS 7.3 · Published 2026-10-12

Agno is a framework for building and managing AI agent platforms. A vulnerability in the authentication mechanism allows attackers to bypass authentication by manipulating the security_key argument, enabling remote access to REST endpoints without credentials. This could lead to unauthorized configuration changes, session hijacking, or agent manipulation.

Technologies: [Agno-Agi Agno](https://junglewise.ai/threats/technologies/agno-agi-agno). Vendors: [Agno-Agi](https://junglewise.ai/threats/vendors/agno-agi).

## Quick answers

**Is CVE-2026-108818 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-108818 being exploited in the wild.

**How severe is CVE-2026-108818?** High severity, with a CVSS score of 7.3, published 12 October 2026.

**Which products and versions are affected?** Agno-Agi Agno up to 2.7.3 and 3.0.6.

**Is there a fix for CVE-2026-108818?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-108818 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-108818?** Check whether you run Agno-Agi Agno at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The get_authentication_dependency function in auth.py improperly validates the security_key parameter, allowing authentication to be bypassed through argument manipulation. The vulnerability is remotely exploitable without requiring authentication or user interaction. An attacker can gain access to protected REST endpoints and perform unauthorized operations on agent configurations and sessions.

## Affected products

- agno-agi agno up to 2.7.3 and 3.0.6

## Timeline

- 2026-10-12: disclosed: CVE-2026-108818 published
- 2026-09-08: other: Vulnerability reported via GitHub issue #10051

## References

- [https://github.com/Agno-agi/Agno/](https://github.com/Agno-agi/Agno/)
- [https://github.com/Agno-agi/Agno/issues/10051](https://github.com/Agno-agi/Agno/issues/10051)

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- [agno-agi agno arbitrary code execution in Agent Orchestration Layer](https://junglewise.ai/threats/cve-2026-108819-a-security-flaw-has-been-discovered-in-agno-agi-agno-up-to-3-0-6)
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- [agno PythonTools code injection in run_python_code](https://junglewise.ai/threats/cve-2026-108816-a-vulnerability-was-found-in-agno-agi-agno-up-to-3-0-6-affected)