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CVE-2026-87876 Cups: openprinting cups: remaining case-insensitive username matching in scheduler side paths (cve-2026-27447 follow-up)

🗓️ 09 Sep 2026 16:12:07Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 65 Views

CUPS scheduler case-insensitive username matching in ACL and attribute paths bypasses controls.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-87876
9 Sep 202616:12
–alpinelinux
cnnvd
CNNVD
OpenPrinting CUPS: CUPS input validation error vulnerability
8 Sep 202616:00
–cnnvd
cve
CVE
CVE-2026-87876
9 Sep 202616:12
–cve
debiancve
Debian CVE
CVE-2026-87876
9 Sep 202616:12
–debiancve
euvd
EUVD
EUVD-2026-75089
9 Sep 202616:12
–euvd
mend
Mend
CVE-2026-87876
9 Sep 202616:12
–mend
mageia
Mageia
Updated cups package fixes security vulnerabilities
12 Oct 202618:47
–mageia
mscve
Microsoft CVE
Cups: openprinting cups: remaining case-insensitive username matching in scheduler side paths (cve-2026-27447 follow-up)
13 Sep 202608:13
–mscve
nvd
NVD
CVE-2026-87876
9 Sep 202617:17
–nvd
osv_azl
osv_azl
AZL-100923 CVE-2026-87876 affecting package cups 2.4.19-1
9 Sep 202617:17
–osv_azl
Rows per page
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Hardened Images",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "cups-main",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "2.4.19-4.2.hum1",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:hummingbird:1"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cups",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 6",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cups",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:6"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cups",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cups",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cups",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rhel9/cups",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openshift/ose-rhel-coreos-8",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  }
]

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