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CVE-2026-101912 ip-address: isInSubnet() and isHostInSubnet() compare addresses of different families as if they shared an address space, allowing an allowlist check to admit an address outside its range

🗓️ 28 Sep 2026 17:48:06Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 48 Views

ip-address before 10.7.1 allows allowlist bypass via cross-family IP address comparison.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cgr
Chainguard
CVE-2026-101912 vulnerabilities
1 Oct 202602:54
–cgr
circl
Circl
CVE-2026-101912
15 Sep 202604:15
–circl
cve
CVE
CVE-2026-101912
28 Sep 202617:48
–cve
debiancve
Debian CVE
CVE-2026-101912
28 Sep 202617:48
–debiancve
euvd
EUVD
EUVD-2026-88396
28 Sep 202617:48
–euvd
github
Github Security Blog
ip-address: isInSubnet() and isHostInSubnet() compare addresses of different families as if they shared an address space, allowing an allowlist check to admit an address outside its range
29 Sep 202623:46
–github
mend
Mend
CVE-2026-101912
28 Sep 202617:48
–mend
nvd
NVD
CVE-2026-101912
28 Sep 202618:17
–nvd
osv_cga
osv_cga
CGA-28F9-77C7-GC5W
30 Sep 202613:26
–osv_cga
osv_cga
osv_cga
CGA-2G32-3P8W-PV57
30 Sep 202612:34
–osv_cga
Rows per page
[
  {
    "vendor": "beaugunderson",
    "product": "ip-address",
    "versions": [
      {
        "version": "< 10.7.1",
        "status": "affected"
      }
    ]
  }
]

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