TI-2026-29265 CVE-2026-40518 · GHSA-54pv-34f9-m4mqByteDance DeerFlow Path Traversal and Arbitrary File Write via Bootstrap ModePriority MEDIUM 64ByteDance 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.CVSS 4.0HIGH 7.1· Network · Low privileges · No interaction · EPSS 0.00356 · Published 2026-04-17 · Fixed CWE-22