Advisories

knowns before 0.31.0 External Control of Agent Working Directory via x-opencode-directory Header

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severity
critical
date
Affecting
  • knowns >= 0, < 0.31.0

CWE
  • CWE-73 External Control of File Name or Path
CVSS
9.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Credit
Tong Hoang Gia
Description
knowns versions before 0.31.0 fail to properly validate the x-opencode-directory request header in the /api/opencode proxy endpoint. Remote attackers can supply arbitrary directory paths to execute file operations outside the project root on the host system.

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