{"uuid": "4c0fe959-3533-4a63-9318-93885bb06fdb", "vulnerability": {"vulnId": "CVE-2026-45321", "altId": []}, "gcve": {"origin_uuid": "405284c2-e461-4670-8979-7fd2c9755a60", "object_uuid": "4c0fe959-3533-4a63-9318-93885bb06fdb"}, "status": {"exploited": true, "status_reason": "confirmed", "status_updated_at": "2026-05-27T00:00:00+00:00"}, "timestamps": {"asserted_at": "2026-05-27T00:00:00+00:00", "recorded_at": "2026-05-27T18:00:01+00:00", "first_seen_at": "2026-05-27T00:00:00+00:00"}, "scope": {"notes": "KEV entry: TanStack Unspecified Vulnerability | Affected: TanStack / TanStack | Description: TanStack contains an unspecified vulnerability that allowed malicious versions of the product to be published to the npm registry to publish credential-stealing malware under a trusted identity. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2026-06-10 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://github.com/TanStack/router/security/advisories/GHSA-g7cv-rxg3-hmpx ; https://nvd.nist.gov/vuln/detail/CVE-2026-45321"}, "evidence": [{"type": "vendor_report", "source": "cisa-kev", "signal": "successful_exploitation", "confidence": 0.8, "details": {"cwes": [], "feed": "CISA Known Exploited Vulnerabilities Catalog", "product": "TanStack", "due_date": "2026-06-10", "date_added": "2026-05-27", "vendorProject": "TanStack", "vulnerabilityName": "TanStack Unspecified Vulnerability", "knownRansomwareCampaignUse": "Unknown"}}], "references": [{"id": "CVE-2026-45321", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-45321"}]}