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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-19019
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-06 08:16:30 UTC
Updated2026-08-12 21:00:37 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v4.0 2.9 LOW from [email protected]

CVSS: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

EPSS: 0.003050000 probability, percentile 0.230010000 (date 2026-08-14)

Problem Types: CWE-459 | CWE-459 Incomplete Cleanup

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary2.9LOWCVSS: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/C...
4.0CNADECLARED6.3MEDIUMCVSS: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
3.1[email protected]Secondary4.8MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
3.1CNADECLARED4.8MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
3.0CNADECLARED4.8MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
2.0[email protected]Secondary4AV:N/AC:H/Au:N/C:N/I:P/A:P
2.0CNADECLARED4AV:N/AC:H/Au:N/C:N/I:P/A:P/E:POC/RL:ND/RC:C

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS: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 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

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

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Poco-ai Poco-agent affected 0.5.0 Not specified
CNA Poco-ai Poco-agent affected 0.5.1 Not specified
CNA Poco-ai Poco-agent affected 0.5.2 Not specified
CNA Poco-ai Poco-agent affected 0.5.3 Not specified
CNA Poco-ai Poco-agent affected 0.5.4 Not specified

References

ReferenceSourceLinkTags
github.com/poco-ai/poco-claw/issues/131 [email protected] github.com
vuldb.com/cve/CVE-2026-19019 [email protected] vuldb.com
vuldb.com/vuln/386419/cti [email protected] vuldb.com
vuldb.com/vuln/386419 [email protected] vuldb.com
github.com/poco-ai/poco-claw/pull/132 [email protected] github.com
vuldb.com/submit/862681 [email protected] vuldb.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: JondaChen (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-08-05T00:00:00.000ZAdvisory disclosed
CNA2026-08-05T02:00:00.000ZVulDB entry created
CNA2026-08-05T23:34:00.000ZVulDB entry last update

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