{"api_version":"1","generated_at":"2026-08-25T02:48:08+00:00","cve":"CVE-2026-19019","urls":{"html":"https://cve.report/CVE-2026-19019","api":"https://cve.report/api/cve/CVE-2026-19019.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-19019","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-19019"},"summary":{"title":"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.","state":"PUBLISHED","assigner":"VulDB","published_at":"2026-08-06 08:16:30","updated_at":"2026-08-12 21:00:37"},"problem_types":["CWE-459","CWE-459 Incomplete Cleanup"],"metrics":[{"version":"4.0","source":"cna@vuldb.com","type":"Secondary","score":"2.9","severity":"LOW","vector":"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","data":{"version":"4.0","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","baseScore":2.9,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"PROOF_OF_CONCEPT","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}},{"version":"4.0","source":"CNA","type":"DECLARED","score":"6.3","severity":"MEDIUM","vector":"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","data":{"baseScore":6.3,"baseSeverity":"MEDIUM","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","version":"4.0"}},{"version":"3.1","source":"cna@vuldb.com","type":"Secondary","score":"4.8","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","baseScore":4.8,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"LOW"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"4.8","severity":"MEDIUM","vector":"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","data":{"baseScore":4.8,"baseSeverity":"MEDIUM","vectorString":"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","version":"3.1"}},{"version":"3.0","source":"CNA","type":"DECLARED","score":"4.8","severity":"MEDIUM","vector":"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","data":{"baseScore":4.8,"baseSeverity":"MEDIUM","vectorString":"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","version":"3.0"}},{"version":"2.0","source":"cna@vuldb.com","type":"Secondary","score":"4","severity":"","vector":"AV:N/AC:H/Au:N/C:N/I:P/A:P","data":{"version":"2.0","vectorString":"AV:N/AC:H/Au:N/C:N/I:P/A:P","baseScore":4,"accessVector":"NETWORK","accessComplexity":"HIGH","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"}},{"version":"2.0","source":"CNA","type":"DECLARED","score":"4","severity":"","vector":"AV:N/AC:H/Au:N/C:N/I:P/A:P/E:POC/RL:ND/RC:C","data":{"baseScore":4,"vectorString":"AV:N/AC:H/Au:N/C:N/I:P/A:P/E:POC/RL:ND/RC:C","version":"2.0"}}],"references":[{"url":"https://github.com/poco-ai/poco-claw/issues/131","name":"https://github.com/poco-ai/poco-claw/issues/131","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://vuldb.com/cve/CVE-2026-19019","name":"https://vuldb.com/cve/CVE-2026-19019","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://vuldb.com/vuln/386419/cti","name":"https://vuldb.com/vuln/386419/cti","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://vuldb.com/vuln/386419","name":"https://vuldb.com/vuln/386419","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/poco-ai/poco-claw/pull/132","name":"https://github.com/poco-ai/poco-claw/pull/132","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://vuldb.com/submit/862681","name":"https://vuldb.com/submit/862681","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-19019","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19019","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"poco-ai","product":"poco-agent","version":"affected 0.5.0","platforms":[]},{"source":"CNA","vendor":"poco-ai","product":"poco-agent","version":"affected 0.5.1","platforms":[]},{"source":"CNA","vendor":"poco-ai","product":"poco-agent","version":"affected 0.5.2","platforms":[]},{"source":"CNA","vendor":"poco-ai","product":"poco-agent","version":"affected 0.5.3","platforms":[]},{"source":"CNA","vendor":"poco-ai","product":"poco-agent","version":"affected 0.5.4","platforms":[]}],"timeline":[{"source":"CNA","time":"2026-08-05T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"source":"CNA","time":"2026-08-05T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"source":"CNA","time":"2026-08-05T23:34:00.000Z","lang":"en","value":"VulDB entry last update"}],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"JondaChen (VulDB User)","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"19019","cve":"CVE-2026-19019","epss":"0.003050000","percentile":"0.230010000","score_date":"2026-08-14","updated_at":"2026-08-15 00:04:45"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-19019","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-08-06T14:58:16.716690Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-08-06T14:58:31.682Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"cpes":["cpe:2.3:a:poco-ai:poco-agent:*:*:*:*:*:*:*:*"],"modules":["Claude File Handler"],"product":"poco-agent","vendor":"poco-ai","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"}]}],"credits":[{"lang":"en","type":"reporter","value":"JondaChen (VulDB User)"}],"descriptions":[{"lang":"en","value":"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."}],"metrics":[{"cvssV4_0":{"baseScore":6.3,"baseSeverity":"MEDIUM","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","version":"4.0"}},{"cvssV3_1":{"baseScore":4.8,"baseSeverity":"MEDIUM","vectorString":"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","version":"3.1"}},{"cvssV3_0":{"baseScore":4.8,"baseSeverity":"MEDIUM","vectorString":"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","version":"3.0"}},{"cvssV2_0":{"baseScore":4,"vectorString":"AV:N/AC:H/Au:N/C:N/I:P/A:P/E:POC/RL:ND/RC:C","version":"2.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-459","description":"Incomplete Cleanup","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-06T07:30:10.590Z","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB"},"references":[{"name":"VDB-386419 | poco-ai poco-agent Claude File workspace.py WorkspaceManager._setup_session_persistence cleanup","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/386419"},{"name":"VDB-386419 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/386419/cti"},{"name":"CVE-2026-19019 | CVE Analysis and Report","tags":["third-party-advisory"],"url":"https://vuldb.com/cve/CVE-2026-19019"},{"name":"Submit #862681 | poco-ai poco-agent 0.5.4 Incomplete Cleanup (CWE-459)","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/862681"},{"tags":["exploit","issue-tracking"],"url":"https://github.com/poco-ai/poco-claw/issues/131"},{"tags":["exploit","issue-tracking","patch"],"url":"https://github.com/poco-ai/poco-claw/pull/132"}],"timeline":[{"lang":"en","time":"2026-08-05T00:00:00.000Z","value":"Advisory disclosed"},{"lang":"en","time":"2026-08-05T02:00:00.000Z","value":"VulDB entry created"},{"lang":"en","time":"2026-08-05T23:34:00.000Z","value":"VulDB entry last update"}],"title":"poco-ai poco-agent Claude File workspace.py WorkspaceManager._setup_session_persistence cleanup","x_generator":["VulDB PVTS v202608"]}},"cveMetadata":{"assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","assignerShortName":"VulDB","cveId":"CVE-2026-19019","datePublished":"2026-08-06T07:30:10.590Z","dateReserved":"2026-08-05T21:28:55.397Z","dateUpdated":"2026-08-06T14:58:31.682Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-06 08:16:30","lastModifiedDate":"2026-08-12 21:00:37","problem_types":["CWE-459","CWE-459 Incomplete Cleanup"],"metrics":{"cvssMetricV40":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"4.0","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","baseScore":2.9,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"PROOF_OF_CONCEPT","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","baseScore":4.8,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"LOW"},"exploitabilityScore":2.2,"impactScore":2.5}],"cvssMetricV2":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:H/Au:N/C:N/I:P/A:P","baseScore":4,"accessVector":"NETWORK","accessComplexity":"HIGH","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":4.9,"impactScore":4.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-06T14:58:16.716690Z","id":"CVE-2026-19019","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"19019","Ordinal":"1","Title":"poco-ai poco-agent Claude File workspace.py WorkspaceManager._se","CVE":"CVE-2026-19019","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"19019","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"poco-ai poco-agent Claude File workspace.py WorkspaceManager._se"}]}}}