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Flowise Authentication Bypass

Critical

Synopsis

An Authentication Bypass vulnerability exists in Flowise versions prior 2.0.6. This could allow a remote, unauthenticated attacker to access API endpoints as an administrator and allow them to access restricted functionality.
 

Solution

Upgrade to Flowise 2.0.6 or later.
 

Disclosure Timeline

June 13, 2024 - Tenable requests security contact from vendor.
June 20, 2024 - Tenable second attempt to contact vendor
June 24, 2024 - Tenable uses GitHub repository private security feature to try notifying project team.
July 23, 2024 - Tenable third attempt to contact vendor for the vulnerability acknowledgement.
August 14, 2024 - Due to another Flowise issue being acknowledged, Tenable again requested acknowledgement.
August 27, 2024 - Tenable notifies vendor of publication.

All information within TRA advisories is provided “as is”, without warranty of any kind, including the implied warranties of merchantability and fitness for a particular purpose, and with no guarantee of completeness, accuracy, or timeliness. Individuals and organizations are responsible for assessing the impact of any actual or potential security vulnerability.

Tenable takes product security very seriously. If you believe you have found a vulnerability in one of our products, we ask that you please work with us to quickly resolve it in order to protect customers. Tenable believes in responding quickly to such reports, maintaining communication with researchers, and providing a solution in short order.

For more details on submitting vulnerability information, please see our Vulnerability Reporting Guidelines page.

If you have questions or corrections about this advisory, please email [email protected]

Risk Information

CVE ID: CVE-2024-8181
Tenable Advisory ID: TRA-2024-33
Credit:
Rémy Marot
CVSSv3 Base / Temporal Score:
9.8 / 8.8
CVSSv3 Vector:
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products:
Flowise < 2.0.6
Risk Factor:
Critical

Advisory Timeline

August 27, 2024 - Initial release.
August 28, 2024 - Update credit line.
September 3, 2024 - Corrected CVSS and severity.
September 4, 2024 - Updated solution and additional references.
September 4, 2024 - Corrected CVSS and severity.
September 24, 2024 - Updated vulnerable versions.