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.

CVSS v4.0

2.9 LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

4.8 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

CVSS v2.0

4.0 MEDIUMAV:N/AC:H/Au:N/C:N/I:P/A:P

EPSS

0.30% chance of exploitation in the next 30 days, 23th percentile

Published

2026-08-06

Proof-of-concept exploits (1)

• poco-ai/poco-claw/pull/132

References

• CVE Record
• NVD entry

Related

• CVE-2026-15622
• CVE-2026-16015
• CVE-2026-16016
• CVE-2026-19011
• CVE-2026-19020
• CVE-2026-19010