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unjs unhead vulnerabilities

3 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 3 published in the last 12 months.

Check whether your unjs unhead version is affected

Latest unjs unhead vulnerabilities

• CVE-2026-39315 — Unhead has a hasDangerousProtocol() bypass via leading-zero padded HTML entities in useHeadSafe() (CVSS 6.1)
• CVE-2026-31873 — Unhead has a Bypass of URI Scheme Sanitization in makeTagSafe via Case-Sensitivity (CVSS 6.1)
• CVE-2026-31860 — Unhead has a XSS bypass in `useHeadSafe` via attribute name injection and case-sensitive protocol check (CVSS 6.1)