CVE-2026-76431CWE-22path-traversal

CVE-2026-76431

Medium · published September 17, 2026

CVSS v3.1
4.9
EPSS
1%
Percentile
68.3
In the wild
Unconfirmed
What it is

A vulnerability in the file management function of the web-based management interface of Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker to delete arbitrary files and directories on an affected device. To exploit this vulnerability, the attacker must have valid administrative credentials.

This vulnerability is due to improper validation of directory traversal character sequences in a user-supplied file path before the request is validated. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface of an affected device. A successful exploit could allow the attacker to delete arbitrary files and directories on the underlying operating system of the affected device.

The record
Technical detail
CVSS v3.1
4.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.01215 · 68.3th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-09-17T01:17Z
Affected products (42)
ProductVersionsFixed in
cisco/identity_services_engine≥ 3.1.0, < 3.3.03.3.0
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cisco/identity_services_engine_passive_identity_connector≥ 3.1.0, < 3.3.03.3.0
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References (1)
EPSS history
Timeline
  • 18 SEP 04:01Z
    EPSS moved — → 1%
    epss
  • 16 SEP 20:24Z
    Cisco Identity Services Engine Arbitrary File Deletion Vulnerability
    cvelistv5