Vulnerability-Lookup

CVE-2026-19019 (GCVE-0-2026-19019)

Vulnerability from cvelistv5 – Published: 2026-08-06 07:30 – Updated: 2026-08-06 14:58

Title

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

Summary

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.

Severity

6.3 (Medium)


                        
                          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

4.8 (Medium)


                        
                          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

4.8 (Medium)


                        
                          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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-06 14:58 UTC

CWE

CWE-459 - Incomplete Cleanup

Assigner

VulDB

References

6 references

URL	Tags
https://vuldb.com/vuln/386419	vdb-entrytechnical-description
https://vuldb.com/vuln/386419/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19019	third-party-advisory
https://vuldb.com/submit/862681	third-party-advisory
https://github.com/poco-ai/poco-claw/issues/131	exploitissue-tracking
https://github.com/poco-ai/poco-claw/pull/132	exploitissue-trackingpatch

Impacted products

1 product

Vendor	Product	Version
poco-ai	poco-agent	Affected: 0.5.0 Affected: 0.5.1 Affected: 0.5.2 Affected: 0.5.3 Affected: 0.5.4 cpe:2.3:a:poco-ai:poco-agent::::::::

Credits

JondaChen (VulDB User)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-19019

Vulnerability from fkie_nvd - Published: 2026-08-06 08:16 - Updated: 2026-08-12 21:00

Severity

4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

Summary

References

	URL	Tags
	cna@vuldb.com	https://github.com/poco-ai/poco-claw/issues/131
	cna@vuldb.com	https://github.com/poco-ai/poco-claw/pull/132
	cna@vuldb.com	https://vuldb.com/cve/CVE-2026-19019
	cna@vuldb.com	https://vuldb.com/submit/862681
	cna@vuldb.com	https://vuldb.com/vuln/386419
	cna@vuldb.com	https://vuldb.com/vuln/386419/cti

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 2.9,
          "baseSeverity": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "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",
          "version": "4.0",
          "vulnAvailabilityImpact": "LOW",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-19019",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-06T14:58:16.716690Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-06T08:16:30.830",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/poco-ai/poco-claw/issues/131"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/poco-ai/poco-claw/pull/132"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-19019"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/862681"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/386419"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/386419/cti"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-459"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}

GHSA-J255-R942-27Q8

Vulnerability from github – Published: 2026-08-06 09:30 – Updated: 2026-08-06 09:30

Details

Severity

4.8 (Medium)


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

2.9 (Low)


                  
                    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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-19019"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-459"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-06T08:16:30Z",
    "severity": "LOW"
  },
  "details": "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.",
  "id": "GHSA-j255-r942-27q8",
  "modified": "2026-08-06T09:30:31Z",
  "published": "2026-08-06T09:30:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-19019"
    },
    {
      "type": "WEB",
      "url": "https://github.com/poco-ai/poco-claw/issues/131"
    },
    {
      "type": "WEB",
      "url": "https://github.com/poco-ai/poco-claw/pull/132"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-19019"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/862681"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/386419"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/386419/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-19019 (GCVE-0-2026-19019)

FKIE_CVE-2026-19019

GHSA-J255-R942-27Q8

Tags

Sightings

Nomenclature