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

{
  "id": "b08083b17f56b632234a312491dd1d3ac29a090919efd9cc7a299588c0182d7e",
  "url": "https://osv.dev/vulnerability/CVE-2026-19019",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "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.",
    "evidence": "osv:CVE-2026-19019",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-19019",
      "aliases": [
        "CVE-2026-19019"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "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"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/poco-ai/poco-claw",
              "type": "GIT",
              "events": [
                {
                  "introduced": "ba5ef35a5b40ee8e92432edff2826612b2c0760f"
                },
                {
                  "last_affected": "7a61cb9f0e871f75f5623448f849f1e3d1958e35"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0.5.0"
                      },
                      {
                        "last_affected": "0.5.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0.5.1"
                      },
                      {
                        "last_affected": "0.5.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0.5.2"
                      },
                      {
                        "last_affected": "0.5.2"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0.5.3"
                      },
                      {
                        "last_affected": "0.5.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0.5.4"
                      },
                      {
                        "last_affected": "0.5.4"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.5.4"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.5.0",
            "0.5.1",
            "0.5.2",
            "0.5.3",
            "0.5.4",
            "v0.5.4",
            "v0.5.3",
            "v0.5.2",
            "v0.5.1",
            "v0.5.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-19019.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:39.297679394Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/19xxx/CVE-2026-19019.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-19019",
        "https://vuldb.com/cve/CVE-2026-19019",
        "https://vuldb.com/submit/862681",
        "https://vuldb.com/vuln/386419",
        "https://github.com/poco-ai/poco-claw/issues/131",
        "https://vuldb.com/vuln/386419/cti",
        "https://github.com/poco-ai/poco-claw/pull/132"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-459"
        ],
        "cna_assigner": "VulDB",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/19xxx/CVE-2026-19019.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-19019",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 506847,
  "published_at": "2026-08-06T07:30:10.59+00:00"
}