Vulnerability · Published Aug 6, 2026 · Assigned by VulDB

CVE-2026-19008mf-yang openclaw-cn apply_patch Tool sandbox-paths.ts assertNoSymlinkEscape link following

Medium 6.3

In plain English

A medium-severity security flaw in openclaw-cn from mf-yang. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.4%top 62.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
mf-yang	openclaw-cn	0.2.00.2.1

Weakness: CWE-59 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-386391 | mf-yang openclaw-cn apply_patch Tool sandbox-paths.ts assertNoSymlinkEscape link following vdb-entry, technical-description
VDB-386391 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-19008 | CVE Analysis and Report third-party-advisory
Submit #862644 | mf-yang openclaw-cn 0.2.1 Improper Link Resolution Before File Access (CWE-59) third-party-advisory
Submit #862645 | mf-yang openclaw-cn 0.2.1 Improper Link Resolution Before File Access (CWE-59) (Duplicate) third-party-advisory
https://github.com/mf-yang/openclaw-cn/issues/565 issue-tracking
https://github.com/mf-yang/openclaw-cn/issues/566 exploit, issue-tracking
https://github.com/mf-yang/openclaw-cn/ product