XML External Entity injection in Cisco Identity Services Engine (ISE) - CVE-2026-76427
Published: September 17, 2026
Vulnerability identifier: #VU150702
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-76427
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to read arbitrary files and issue requests to internal systems.
The vulnerability exists due to XML external entity injection in the offline profiler feed service when parsing attacker-controlled feed metadata with an XML parser that permits external entity resolution. A remote privileged user can upload a crafted offline feed package through the administrative interface to read arbitrary files and issue requests to internal systems.
Affected software
Cisco Identity Services Engine (ISE)
How to mitigate CVE-2026-76427
Install security update from vendor's website.
Cisco Identity Services Engine (ISE) - addressed in versions 3.3 Patch 12, 3.4 Patch 7, 3.5 Patch 4