CVE-2026-115334

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.

CVSS 4.0

7.6CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

6.8CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 14% of CVEs (scores of 2026-10-25)

CWE

CWE-639

Published

2026-10-22

Modified

2026-10-22

Record from

the NVD, synced 2026-10-23

References

• https://github.com/uselotus/lotus
• https://github.com/uselotus/lotus/blob/0.10.2/backend/metering_billing/views/views.py#L326-L340
• https://hackmd.io/@leediay/BkUc3WL2Mx
• https://www.vulncheck.com/advisories/lotus-through-0.10.2-authorization-bypass-via-switch-organization-endpoint

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