# CVE-2026-17457 — mf-yang openclaw-cn

> As of 2026-07-27, CVE-2026-17457 is a MEDIUM-severity vulnerability in mf-yang openclaw-cn, CVSS v3.1 4.3, EPSS 0.3% (23.8th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-17457 as of 2026-07-27; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-07-27

## What is CVE-2026-17457?

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.

The record classifies CVE-2026-17457 under weakness classes [CWE-200](https://intel.threadlinqs.com/cwe/CWE-200), [CWE-284](https://intel.threadlinqs.com/cwe/CWE-284). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 71 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 4.3 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R`)
- **CVSS v4.0 base score:** 5.3 (`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`)
- **EPSS (FIRST):** 0.3% probability of exploitation in the next 30 days, higher than 23.8% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 3.1/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-07-26, last modified 2026-07-27

## Is CVE-2026-17457 being exploited?

It currently carries a trending score of 36 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **mf-yang**: openclaw-cn

## How to fix CVE-2026-17457

No vendor patch reference has been recorded for CVE-2026-17457 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-17457

No threat campaign in the Threadlinqs corpus currently references CVE-2026-17457, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on 2026-07-27.

**Exploit and proof of concept**

- [github.com — exploit](https://github.com/mf-yang/openclaw-cn/issues/561)

**Technical analysis**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/383319)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/383319/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-17457)
- [vuldb.com — third party advisory (862452)](https://vuldb.com/submit/862452)

**Issue tracking and product pages**

- [github.com — product](https://github.com/mf-yang/openclaw-cn/)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-17457
Full detection coverage and IOCs for threats exploiting CVE-2026-17457 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp