CVE-2026-42532

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "visidata", "vendor": "visidata", "versions": [{"status": "affected", "version": "dev (commit 38b21f78)"}]}], "source": "talos-cna@cisco.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A path traversal vulnerability exists in the EmailSheet extract_parts functionality of VisiData (version(s): dev (commit 38b21f78)). A specially crafted .eml file can lead to arbitrary file write. An attacker can provide a malicious file to trigger this vulnerability."}], "id": "CVE-2026-42532", "lastModified": "2026-10-07T16:02:27.613", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "talos-cna@cisco.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-42532", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-07T14:38:32.542247Z", "version": "2.0.3"}}]}, "published": "2026-10-07T13:17:22.617", "references": [{"source": "talos-cna@cisco.com", "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2026-2415"}], "sourceIdentifier": "talos-cna@cisco.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "talos-cna@cisco.com", "type": "Secondary"}]}

{"bugzilla": {"description": "visidata: visidata: Arbitrary file write via path traversal in EmailSheet", "id": "2547426", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2547426"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "status": "draft"}, "cwe": "CWE-22", "details": ["A flaw was found in VisiData. A path traversal vulnerability in the EmailSheet attachment extraction feature allows an attacker to write arbitrary files by convincing a user to process a specially crafted email (.eml) file. This flaw enables an attacker to create or overwrite critical files outside the intended destination directory on the local system."], "mitigation": {"lang": "en:us", "value": "Do not extract attachments from untrusted .eml files until a fix is available. Run VisiData with a dedicated unprivileged account and restrict its writable paths, preferably in a confined environment."}, "name": "CVE-2026-42532", "public_date": "2026-10-07T12:54:53Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-42532\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-42532\nhttps://talosintelligence.com/vulnerability_reports/TALOS-2026-2415"], "statement": "VisiData\u2019s EmailSheet attachment extraction mishandles attacker-controlled attachment paths in .eml files, allowing a user who opens a crafted email to write or overwrite files accessible to that user outside the chosen extraction directory. Impact is limited by the VisiData process\u2019s UID, SELinux domain, and any container boundary; it does not inherently bypass those controls.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "dev (commit 38b21f78)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "visidata", "source": "cna", "vendor": "visidata"}, "product": "visidata", "vendor": "visidata"}], "created": "2026-10-07T15:30:17.653337+00:00", "title": "Path Traversal in VisiData Email Processing Enables Arbitrary File Write", "updated": "2026-10-09T08:16:01.437285+00:00", "vendors": ["visidata", "visidata$PRODUCT$visidata"]}