4.8
MEDIUM CVSS 3.1
CVE-2026-19019
poco-ai poco-agent Claude File workspace.py WorkspaceManager._setup_session_persistence cleanup
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.

INFO

Published Date :

Aug. 6, 2026, 8:16 a.m.

Last Modified :

Aug. 6, 2026, 8:16 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-19019 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 LOW [email protected]
Solution
Update poco-agent to a version that includes the fix for incomplete cleanup.
  • Update poco-agent to the latest version.
  • Apply patches provided by the vendor.
  • Ensure proper session cleanup is implemented.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-19019.

URL Resource
https://github.com/poco-ai/poco-claw/issues/131
https://github.com/poco-ai/poco-claw/pull/132
https://vuldb.com/cve/CVE-2026-19019
https://vuldb.com/submit/862681
https://vuldb.com/vuln/386419
https://vuldb.com/vuln/386419/cti
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-19019 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-19019 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-19019 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-19019 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Aug. 06, 2026

    Action Type Old Value New Value
    Added Affected [{'cpes': ['cpe:2.3:a:poco-ai:poco-agent:*:*:*:*:*:*:*:*'], 'vendor': 'poco-ai', 'modules': ['Claude File Handler'], 'product': 'poco-agent', 'versions': [{'status': 'affected', 'version': '0.5.0'}, {'status': 'affected', 'version': '0.5.1'}, {'status': 'affected', 'version': '0.5.2'}, {'status': 'affected', 'version': '0.5.3'}, {'status': 'affected', 'version': '0.5.4'}]}]
    Added 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.
    Added CVSS V4.0 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
    Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
    Added CVSS V2 (AV:N/AC:H/Au:N/C:N/I:P/A:P)
    Added CWE CWE-459
    Added Reference https://github.com/poco-ai/poco-claw/issues/131
    Added Reference https://github.com/poco-ai/poco-claw/pull/132
    Added Reference https://vuldb.com/cve/CVE-2026-19019
    Added Reference https://vuldb.com/submit/862681
    Added Reference https://vuldb.com/vuln/386419
    Added Reference https://vuldb.com/vuln/386419/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.