Vulnerability · Published Oct 22, 2026 · Assigned by VulnCheck
CVE-2026-115334Lotus through 0.10.2 Authorization Bypass via switch_organization Endpoint
Medium 6.8
In plain English
A medium-severity authorization bypass via user-controlled key in lotus from uselotus. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities).
Official 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.
Affected products (as reported)
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
References
- 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