Severity:

HIGH RISK

(7.1)

Path Traversal (CWE-22) in ByteDance DeerFlow Bootstrap Custom-Agent Creation

CVE-2026-40518

Published:

Apr 17, 2026

Status:

Awaiting Analysis

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Vulnerability Type

Vulnerability Type

Category:

Path Traversal / Directory Traversal

CWE:

CWE-22

Impact:

Arbitrary File Write and Filesystem Manipulation

Severity:

HIGH RISK

(7.1)

CVSS Version:

3.1

Vulnerability Type

Category:

Path Traversal / Directory Traversal

CWE:

CWE-22

Impact:

Arbitrary File Write and Filesystem Manipulation

Severity:

HIGH RISK

(7.1)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

Detect vulnerable code directly in pull requests, so CVEs are fixed before merge.