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

Quick assessment

Affected
poco-ai poco-agent
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

poco-ai Poco是poco-ai团队的一款机器学习与人工智能产品。 poco-ai Poco 0.5.4及之前版本存在资源管理错误漏洞，该漏洞源于Claude File Handler组件的WorkspaceManager._setup_session_persistence函数对executor/app/core/workspace.py文件清理不完整，可能允许远程攻击者利用该漏洞。

CVSS 4.8 · Medium EPSS 0.49% · P40

Possible ATT&CK Techniques 1 AI

T1489 · Service Stop

Affected Version Matrix 5

VendorProduct Version RangeStatus
poco-ai poco-agent 0.5.0 affected
0.5.1 affected
0.5.2 affected
0.5.3 affected
0.5.4 affected
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I. Basic Information for CVE-2026-19019

Vulnerability Information
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Vulnerability Title
poco-ai poco-agent Claude File workspace.py WorkspaceManager._setup_session_persistence cleanup
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
清理环节不完整
Source: CVE Program / CVE List V5
Vulnerability Title
poco-ai Poco 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
poco-ai Poco是poco-ai团队的一款机器学习与人工智能产品。 poco-ai Poco 0.5.4及之前版本存在资源管理错误漏洞，该漏洞源于Claude File Handler组件的WorkspaceManager._setup_session_persistence函数对executor/app/core/workspace.py文件清理不完整，可能允许远程攻击者利用该漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
poco-ai poco-agent 0.5.0 cpe:2.3:a:poco-ai:poco-agent:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-19019

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III. Intelligence Information for CVE-2026-19019

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Patches & Fixes for CVE-2026-19019 (2)

Vendor Advisories for CVE-2026-19019 (1)

Other References for CVE-2026-19019 (2)

IV. Related Vulnerabilities

Same vendor: poco-ai
Same weakness: CWE-459

V. Comments for CVE-2026-19019

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