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CVE-2026-76427 is an XML external entity injection vulnerability in the Cisco Identity Services Engine (ISE) offline profiler feed service. The service parses attacker-controlled feed metadata using an XML parser that does not disable external entity resolution. A remote attacker with valid administrative credentials can upload a crafted offline feed package through the administrative interface to read arbitrary files on the affected appliance and issue requests to internal systems.
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An authenticated XML external entity (XXE) vulnerability in Cisco ISE's offline profiler feed service. A crafted offline feed package can enable arbitrary file disclosure and requests to internal systems.
An authenticated remote XML external entity (XXE) vulnerability in Cisco Identity Services Engine (ISE) offline profiler feed processing. An administrator can upload a crafted offline feed package to read arbitrary files from the appliance and cause it to make requests to internal systems.
Authenticated remote XML external entity injection vulnerability in the Cisco ISE offline profiler feed service. A crafted offline feed package can read arbitrary files and issue requests to internal systems because external entity resolution is enabled.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.