Is this vulnerability remotely exploitable?

It can be, depending on how Evolver is exposed. If the `fetch` command or its `--out=` parameter is reachable through remote interfaces (such as web APIs, orchestration services, or agents that accept remote instructions), an attacker may exploit it over the network. In purely local, single-user deployments, exploitability is generally limited to local users.

What level of access does an attacker need to exploit this issue?

The attacker needs to execute Evolver's skill download (`fetch`) operation or control the value of its `--out=` flag. This can range from direct shell access to more indirect control, such as manipulating parameters passed by a web UI, CI/CD job, or automation that wraps Evolver.

What is the safest general fix pattern for this vulnerability?

The most robust fix is to strictly confine all skill downloads to an application-controlled directory tree, using path normalization and an explicit check that the final resolved path remains within a trusted base directory. Any path failing this check should be rejected, and direct writes to arbitrary user-specified filesystem locations should be avoided.

Severity:

HIGH RISK

(8.1)

Path Traversal (CWE-22) in Evolver Skill Download Command

CVE-2026-42075

Published:

May 4, 2026

Status:

Received

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

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May 6, 2026

Vulnerability Type

Category:

Path Traversal / Directory Traversal

CWE:

CWE-22

Impact:

Arbitrary File Write on Filesystem

Severity:

HIGH RISK

(8.1)

CVSS Version:

3.1

Vulnerability Type

Category:

Path Traversal / Directory Traversal

CWE:

CWE-22

Impact:

Arbitrary File Write on Filesystem

Severity:

HIGH RISK

(8.1)

CVSS Version:

3.1

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Path Traversal (CWE-22) in Evolver Skill Download Command

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(8.6)

Server-Side Request Forgery (CWE-918) in OpenClaw Zalo Plugin sendPhoto

HIGH RISK

HIGH

(8.8)

Authorization Bypass (CWE-863) in OpenClaw Matrix Room Control Commands

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

Ship clean & secure code faster

Ship clean & secure code faster

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