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

Status: published. Published: 2026-10-22. Updated: 2026-11-04.

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.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- uselotus / lotus (uselotus/lotus): ≥ 0; ≤ 0.10.2 (affected, semver). Source: CNA: VulnCheck

## Severity and prioritization

- CVSS 4.0: 7.6 (high); CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N; source: CNA: VulnCheck

- CVSS 3.1: 6.8 (medium); CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N; source: CNA: VulnCheck

- CISA KEV: No listing in collected sources

- EPSS: 0.24% as of 2026-11-04; percentile 14.70%

- SSVC: exploitation poc; automatable no; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-639

## Exploit evidence

- exploit: https://hackmd.io/@leediay/BkUc3WL2Mx (ADP: CISA-ADP)

## References

- https://hackmd.io/@leediay/BkUc3WL2Mx (CNA: VulnCheck; technical-description)

- https://github.com/uselotus/lotus/blob/0.10.2/backend/metering_billing/views/views.py#L326-L340 (CNA: VulnCheck; technical-description)

- https://github.com/uselotus/lotus (CNA: VulnCheck; product)

- https://www.vulncheck.com/advisories/lotus-through-0.10.2-authorization-bypass-via-switch-organization-endpoint (CNA: VulnCheck; third-party-advisory)

- https://hackmd.io/@leediay/BkUc3WL2Mx (ADP: CISA-ADP; exploit)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2026-115334; retrieved 2026-11-04; source updated 2026-11-04

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-115334; retrieved 2026-11-04; source updated Not reported

Revision: 96f5d29f901b491f9411e622e6e0169e81164a77ef8b4b7b279e8c319376f362

Canonical: https://y2.dev/cve/CVE-2026-115334

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

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