OliveTin up to 3000.0.0/3000.13.0 ValidateArgumentType RPC Endpointservice api.go authorization

Summaryinfo

A vulnerability has been found in OliveTin up to 3000.0.0/3000.13.0 and classified as problematic. This affects an unknown function of the file service/internal/api/api.go of the component ValidateArgumentType RPC Endpointservice. Performing a manipulation results in authorization. This vulnerability is known as CVE-2026-48709. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in OliveTin up to 3000.0.0/3000.13.0. This affects an unknown part of the file service/internal/api/api.go of the component ValidateArgumentType RPC Endpointservice. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality. The summary by CVE is:

OliveTin gives access to predefined shell commands from a web interface. In versions 3000.0.0 and prior, The ValidateArgumentType RPC endpoint in service/internal/api/api.go does not perform any authentication or authorization checks. Unlike all other data-returning API endpoints, it does not call auth.UserFromApiCall or checkDashboardAccess. When AuthRequireGuestsToLogin is enabled (the security-conscious configuration), this endpoint remains accessible to unauthenticated users and can be used as an oracle to enumerate valid action binding IDs and their argument configurations. This issue has been fixed in version 3000.13.0.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-48709 since 05/22/2026. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 3000.13.0 eliminates this vulnerability. The upgrade is hosted for download at github.com.

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Productinfo

Name

• OliveTin

Version

• 3000.0
• 3000.1
• 3000.2
• 3000.3
• 3000.4
• 3000.5
• 3000.6
• 3000.7
• 3000.8
• 3000.9
• 3000.10
• 3000.11
• 3000.12
• 3000.13.0

Website

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

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