CVE-2026-20148
Medium
Description
A vulnerability in Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker to perform path traversal attacks on the underlying operating system and read arbitrary files. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected system. A successful exploit could allow the attacker to access sensitive files on the affected system.
SeverityMedium
CVSS4.9
Exploit probability—
Product
Cisco Identity Services Engine
PublishedApr 15, 2026
First seenApr 15, 2026
Weakness typeCWE-22Path traversal
How to fix
Update
- cisco identity_services_engine3.1 or later
- cisco identity_services_engine_passive_identity_connector3.1.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco identity_services_engine | v < 3.1, 3.1.0, 3.2.0, 3.3.0, 3.4.0, 3.5.0 | 3.1 |
| cisco identity_services_engine_passive_identity_connector | v < 3.1.0, 3.1.0, 3.2.0, 3.3.0, 3.4.0 | 3.1.0 |
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