CVE-2026-40518 — ByteDance DeerFlow before commit 2176b2b contains a path traversal and arbitrar…
Severity: High · Kind: Vulnerability
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From the source
ByteDance DeerFlow before commit 2176b2b contains a path traversal and arbitrary file write vulnerability in bootstrap-mode custom-agent creation where the agent name validation is bypassed. Attackers can supply traversal-style values or absolute paths as the agent name to influence directory creation and write files outside the intended custom-agent directory, potentially achieving arbitrary file write on the system subject to filesystem permissions.
Vulnerability facts
- CVE
- CVE-2026-40518
- CVSS
- 7.1
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