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Home / Vulnerability Intelligence / CVE-2026-34430

CVE-2026-34430 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: April 1, 2026

ByteDance Deer-Flow - Command Injection

Published: April 1, 2026Updated: April 1, 2026Remote Exploitable

Overview

ByteDance Deer-Flow prior to commit 92c7a20 contains a sandbox escape vulnerability caused by incomplete shell semantics modeling in bash tool handling, letting attackers execute arbitrary commands and read/modify files outside the sandbox, exploit requires shell interpretation enabled in subprocess invocation.

Severity & Score

Severity: High
CVSS Score: 8.8
EPSS Score: 0.0%(Probability of exploitation in next 30 days)

Impact

Attackers can execute arbitrary commands and read/modify files outside the sandbox, leading to full system compromise.

Mitigation

Update to the version including commit 92c7a20 or later.

Social Media Activity(2 posts)

TheHackerWire
TheHackerWire
@thehackerwire
Apr 1, 2026

🟠 CVE-2026-34430 - High (8.8) ByteDance Deer-Flow versions prior to commit 92c7a20 contain a sandbox escape vulnerability in bash tool handling that allows attackers to execute arbitrary commands on the host system by bypassing regex-based validation using shell features such... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-34430/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post
TheHackerWire
TheHackerWire
@thehackerwire
Apr 1, 2026

🟠 CVE-2026-34430 - High (8.8) ByteDance Deer-Flow versions prior to commit 92c7a20 contain a sandbox escape vulnerability in bash tool handling that allows attackers to execute arbitrary commands on the host system by bypassing regex-based validation using shell features such... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-34430/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post

Details

CVE ID
CVE-2026-34430
Severity
High
CVSS Score
8.8
Type
command_injection
Status
unconfirmed
EPSS
0.0%
Social Posts
2

CWE

  • CWE-184

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Score

0.0%Probability of exploitation in the next 30 days