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As of 10/23/2026, undici recorded 0 security vulnerabilities in the last 90 days, of which 0 are rated High or Critical. None of these vulnerabilities is actively exploited (KEV) according to CISA's catalog. CyStack recommends that organizations and individual users apply patches as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of undici and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
CVE-2026-87029undici vulnerable to Denial of Service via unhandled exception in the decompress interceptorCVE-2026-109932undici WebSocket client vulnerable to Denial of Service via unbounded automatic PONG bufferingCVE-2026-87018undici vulnerable to Denial of Service via TLS 1.2 certificate-changing renegotiationCVE-2026-109383undici vulnerable to TLS certificate validation bypass via dropped tls options in AgentCVE-2026-109829undici vulnerable to cache poisoning and cross-user disclosure via cross-origin redirects55 Results | Page 1 of 6