SB2026043035 - OS Command Injection in Claude Code

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Main Vulnerability Database SB2026043035

SB2026043035 - OS Command Injection in Claude Code

Published: April 30, 2026

Security Bulletin ID SB2026043035
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) OS Command Injection (CVE-ID: CVE-2026-24887)

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute untrusted commands.

The vulnerability exists due to command injection in the find command when parsing untrusted content in a Claude Code context window. A remote attacker can add crafted untrusted content to the context window to execute untrusted commands.

Reliably exploiting the issue requires the ability to add untrusted content into a Claude Code context window.


Remediation

Install update from vendor's website.

References