CVE-2026-19019 MEDIUM

CVE-2026-19019: poco-ai poco-agent Claude File workspace.py WorkspaceManager._setup_session_persistence cleanup

Vendor Poco-Ai
Product poco-agent
Weakness CWE-459
Published August 6, 2026
Last update August 6, 2026

CVSS base score

6.3/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A security flaw has been discovered in poco-ai poco-agent up to 0.5.4. Affected is the function WorkspaceManager._setup_session_persistence of the file executor/app/core/workspace.py of the component Claude File Handler. The manipulation results in incomplete cleanup. The attack may be performed from remote. Attacks of this nature are highly complex. The exploitability is told to be difficult. The exploit has been released to the public and may be used for attacks.

Key dates

02Disclosure timeline

August 6, 2026 CVE published
August 6, 2026 Record updated