Vulnerability in Poco-Ai Poco-Agent
CVE-2026-19019
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.
EPSS: 0.003 (23.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L.
Affected products
- Poco-ai Poco-agent — versions 0.5.0, 0.5.1, 0.5.2
Weakness classification (CWE)
References
- cna@vuldb.com (issue-tracking, exploit)
- cna@vuldb.com (issue-tracking, exploit, patch)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-19019?
- CVE-2026-19019 is a medium-severity vulnerability in Poco-Ai Poco-Agent, classified under Incomplete Cleanup. CVSS score: 4.8/10. Published 2026-08-06.
- How severe is CVE-2026-19019?
- Medium severity. CVSS v3 base score is 4.8 out of 10.