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CVE-2026-39315 Unhead has a hasDangerousProtocol() bypass via leading-zero padded HTML entities in useHeadSafe()

🗓️ 09 Apr 2026 17:54:07Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 35 Views

Unhead bypasses protocol checks via leading-zero HTML entities in useHeadSafe; fixed in 2.1.13.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-39315
9 Apr 202617:54
–attackerkb
circl
Circl
CVE-2026-39315
9 Apr 202615:46
–circl
cnnvd
CNNVD
unhead security vulnerability
9 Apr 202600:00
–cnnvd
cve
CVE
CVE-2026-39315
9 Apr 202617:54
–cve
euvd
EUVD
EUVD-2026-20992
9 Apr 202620:28
–euvd
github
Github Security Blog
Unhead has a hasDangerousProtocol() bypass via leading-zero padded HTML entities in useHeadSafe()
9 Apr 202620:28
–github
mend
Mend
CVE-2026-39315
9 Apr 202617:54
–mend
nvd
NVD
CVE-2026-39315
9 Apr 202618:17
–nvd
osv_clsa
osv_clsa
CLSA-2026-1789031967 TuxCare security update for unhead (1 CVE)
10 Sep 202609:19
–osv_clsa
osv_clsa
osv_clsa
CLSA-2026-1792160937 TuxCare security update for @unhead/dom (1 CVE)
16 Oct 202614:28
–osv_clsa
Rows per page
[
  {
    "vendor": "unjs",
    "product": "unhead",
    "versions": [
      {
        "version": "< 2.1.13",
        "status": "affected"
      }
    ]
  }
]

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