
CVE catalog
CVE-2026-20193
A vulnerability in the RADIUS Policy API endpoints of…
A vulnerability in the RADIUS Policy API endpoints of Cisco ISE could allow an authenticated, remote attacker with read-only Administrator privileges to gain unauthorized access to sensitive information on an affected device. This vulnerability is due to improper role-based access control (RBAC) permissions on the RADIUS Policy API endpoints. An attacker could exploit this vulnerability by bypassing the web-based management interface and directly calling an affected endpoint. A successful exploit could allow the attacker to gain unauthorized read access to sensitive RADIUS Policy details that are restricted for their role.
- Severity
- Medium · CVSS 4.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.22% · Oct 27, 2026
Reported versions and fixes
Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.
Version impact has not been established. The original provider fields are retained below.
Provider details and historical evidence
Original provider fields
{
"package_releases": [],
"fixed_versions": [],
"distribution_packages": [
{
"name": "identity_services_engine",
"ecosystem": "cpe",
"fixed_version": ""
},
{
"name": "identity_services_engine",
"ranges": [],
"ecosystem": "cpe",
"fixed_version": "",
"provider_record_id": "NVD-CVE-2026-20193"
}
]
}OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-20193]
- [https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-unauth-bypass-uxjRXGpb]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1391.json]
[CERT-Bund public advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)]