CVE-2026-121880 | Posit Software, PBC Posit Workbench/RStudio Server prior 2026.08.0 Localhost Port-Proxy authorization

A vulnerability was found in Posit Software, PBC Posit Workbench and RStudio Server. It has been classified as problematic. This affects an unknown part of the component Localhost Port-Proxy. Performing a manipulation results in authorization bypass.

This vulnerability is identified as CVE-2026-121880. The attack can be initiated remotely. There is not any exploit available.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More