PatchTheCVECVE-2026-20193: A vulnerability in the RADIUS Policy API endpoints of Cisco ISE could allow an authenticated, remote atta
CVE-2026-20193 is a medium-severity flaw (CVSS 4.3) affecting identity services engine. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 87%) |
| CISA exploited list | No |
| Weakness | CWE-862 |
| Published | 2026-05-06 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-20193?
identity services engine: upgrade to newer than 3.2.0. Exact commands for each OS are on this page.
Is CVE-2026-20193 being exploited?
CVE-2026-20193 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-20193 affect?
CVE-2026-20193 affects identity services engine. Severity is medium (CVSS 4.3). 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 v
How urgent is CVE-2026-20193?
Priority 18/100. No elevated risk signals yet.
Software pages
Cisco vulnerabilities · Cisco ISE vulnerabilities
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