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CVE-2026-20146

MEDIUM · CVSS 5.5EPSS 0.5%EU EUVD

A vulnerability in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to perform path traversal attacks on the underlying operating system to either read or delete 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 or delete arbitrary files on the affected system.

Key facts

CVSS score
5.5 (v3.1)
Severity
MEDIUM
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N
Weakness (CWE)
CWE-22
EPSS score
0.5% (41th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2026-44716)
Published
July 15, 2026
NVD last modified
September 25, 2026
Status
Analyzed

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2026-44716 in the EU Vulnerability Database. Last updated in EUVD on July 15, 2026.

View on the EU Vulnerability Database

Affected products

  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine passive identity connector
  • cisco / identity services engine passive identity connector
  • cisco / identity services engine passive identity connector
  • cisco / identity services engine passive identity connector
  • cisco / identity services engine passive identity connector
  • cisco / identity services engine passive identity connector
  • cisco / identity services engine passive identity connector
  • cisco / identity services engine passive identity connector
  • cisco / identity services engine passive identity connector
  • cisco / identity services engine passive identity connector
  • cisco / identity services engine passive identity connector
  • cisco / identity services engine passive identity connector
  • cisco / identity services engine passive identity connector
  • cisco / identity services engine passive identity connector
  • cisco / identity services engine passive identity connector
  • cisco / identity services engine passive identity connector
  • cisco / identity services engine passive identity connector
  • cisco / identity services engine passive identity connector
  • cisco / identity services engine passive identity connector
  • cisco / identity services engine passive identity connector

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

References

Last updated September 27, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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