Rill Data up to 0.90.5 OAuth Server improper authorization

Summaryinfo

A vulnerability marked as critical has been reported in Rill Data Rill up to 0.90.5. This impacts an unknown function of the component OAuth Server. This manipulation causes improper authorization. This vulnerability appears as CVE-2026-108718. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in Rill Data Rill up to 0.90.5 and classified as critical. Affected by this vulnerability is an unknown code of the component OAuth Server. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Rill 0.77.0 through 0.90.5 contains a missing authorization vulnerability in the admin OAuth server that issues authorization codes to dynamically registered clients without user consent. Attackers can register a client with the long_lived_access_token scope and lure a user to an authorization link, obtaining a non-expiring API token with the user's full permissions.

It is possible to read the advisory at hackmd.io. This vulnerability is known as CVE-2026-108718 since 10/11/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/11/2026). The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Rill Data

Name

• Rill

Version

• 0.90.0
• 0.90.1
• 0.90.2
• 0.90.3
• 0.90.4
• 0.90.5

CPE 2.3info

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CPE 2.2info

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