{"api_version":"1","generated_at":"2026-07-15T18:55:39+00:00","cve":"CVE-2023-26103","urls":{"html":"https://cve.report/CVE-2023-26103","api":"https://cve.report/api/cve/CVE-2023-26103.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-26103","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-26103"},"summary":{"title":"CVE-2023-26103","description":"Versions of the package deno before 1.31.0 are vulnerable to Regular Expression Denial of Service (ReDoS) due to the upgradeWebSocket function, which contains regexes in the form of /s*,s*/, used for splitting the Connection/Upgrade header. 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