CVE-2026-115334Lotus through 0.10.2 Authorization Bypass via switch_organization Endpoint

Description

Lotus through 0.10.2 contains an authorization bypass vulnerability in ChangeUserOrganizationView.post that allows authenticated users to join any organization by supplying its UUID. Self-registered attackers who know another organization's UUID can send a POST request to /app/switch_organization/ to access that tenant's data and billing configuration.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://hackmd.io/@leediay/BkUc3WL2Mx technical-description
• https://github.com/uselotus/lotus/blob/0.10.2/backend/metering_billing/views/views.py#L326-L340 technical-description
• https://github.com/uselotus/lotus product
• VulnCheck Advisory: Lotus through 0.10.2 Authorization Bypass via switch_organization Endpoint third-party-advisory