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Vulnerability · Published Aug 6, 2026 · Assigned by VulDB

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

Medium 4.8

In plain English

A medium-severity security flaw in poco-agent from poco-ai. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).

Severity (CVSS 3.1)4.8Medium
Exploit odds (30 days)0.5%top 57.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
poco-ai poco-agent 0.5.00.5.10.5.20.5.30.5.4

Weakness: CWE-459 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R

References