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{"cveTags": [], "descriptions": [{"lang": "en", "value": "wget2 accepts a server certificate with incorrect Key Usage (KU) or Extended Key Usage (EKU). If the attackers compromise a certificate (with the associated private key) issued for a different purpose, they may be able to reuse it for TLS server authentication."}], "id": "CVE-2026-1858", "lastModified": "2026-04-29T21:16:20.513", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 2.5, "source": "vulnreport@tenable.com", "type": "Secondary"}]}, "published": "2026-04-29T21:16:20.513", "references": [{"source": "vulnreport@tenable.com", "url": "https://www.tenable.com/security/research/tra-2026-37"}], "sourceIdentifier": "vulnreport@tenable.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "vulnreport@tenable.com", "type": "Secondary"}]}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.2.1]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "wget2", "source": "cna", "vendor": "gnu"}, "product": "wget2", "vendor": "gnu"}], "created": "2026-04-29T21:30:20.442898+00:00", "updated": "2026-04-29T21:30:20.443004+00:00", "vendors": ["gnu", "gnu$PRODUCT$wget2"]}