CVE-2026-19019poco-ai poco-agent Claude File workspace.py WorkspaceManager._setup_session_persistence cleanup
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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.
- CVSS
- 4.8 MEDIUM (v3.1, CNA)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
- Weakness (CWE)
- CWE-459
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Aug 6, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
poco-ai poco-agent poco-ai:poco-agent | 0.5.0; 0.5.1; 0.5.2; 0.5.3; 0.5.4 | CNA record |
References
- https://vuldb.com/vuln/386419vdb-entry, technical-description
- https://vuldb.com/vuln/386419/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-19019third-party-advisory
- https://vuldb.com/submit/862681third-party-advisory
- https://github.com/poco-ai/poco-claw/issues/131exploit, issue-tracking
- https://github.com/poco-ai/poco-claw/pull/132exploit, issue-tracking, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.