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CVE-2026-87853

🗓️ 09 Sep 2026 16:06:25Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 32 Views

SSSD IdP provider prefix comparison in eval_access_token_buf enables cross-user impersonation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-87853
10 Sep 202605:06
–circl
cvelist
Cvelist
CVE-2026-87853 Sssd: sssd: idp authentication prefix comparison allows cross-user impersonation
9 Sep 202616:06
–cvelist
debiancve
Debian CVE
CVE-2026-87853
9 Sep 202616:06
–debiancve
euvd
EUVD
EUVD-2026-75084
9 Sep 202616:06
–euvd
nvd
NVD
CVE-2026-87853
9 Sep 202617:17
–nvd
opensuse
OPENSUSE Linux
libipa_hbac-devel-2.13.1-3.1 on GA media (moderate)
22 Sep 202600:00
–opensuse
osv
OSV
DEBIAN-CVE-2026-87853
9 Sep 202617:17
–osv
osv
OSV
OPENSUSE-SU-2026:11825-1 libipa_hbac-devel-2.13.1-3.1 on GA media
19 Sep 202600:00
–osv
osv
OSV
UBUNTU-CVE-2026-87853
9 Sep 202617:17
–osv
ptsecurity
Positive Technologies
PT-2026-89096
9 Sep 202600:00
–ptsecurity
Rows per page
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "sssd",
    "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": "sssd",
    "defaultStatus": "unknown",
    "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": "sssd",
    "defaultStatus": "unaffected",
    "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": "sssd",
    "defaultStatus": "unaffected",
    "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": "sssd",
    "defaultStatus": "unaffected",
    "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": "unaffected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openshift/ose-rhel-coreos-9",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  }
]

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10 Sep 2026 15:17Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.17.5
EPSS0.00477
SSVC
32