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CVE-2026-76427

MEDIUM 4.9 ALL-YEARS

Published 2026-09-16 · Last modified 2026-09-18 · cisco · NVD: Analyzed

A vulnerability in the offline profiler feed service of Cisco ISE could allow an authenticated, remote attacker to read arbitrary files that are stored on an affected device. This vulnerability is due to the parsing of attacker-controlled feed metadata with an XML parser that does not disable external entity resolution. An attacker could exploit this vulnerability by uploading a crafted offline feed package through the administrative interface. A successful exploit could allow the attacker to read arbitrary files from the file system and issue requests to internal systems from the affected device. To exploit this vulnerability, the attacker must have valid administrative credentials.

LIMITED SIGNALS

No known exploitation, public exploit, or elevated probability at this time. Track for changes.

Exploitation likelihood

0.5%chance of exploitation in 30 days · 38th percentile

○ In CISA KEV○ Public exploit / PoC◆ SSVC: exploitation none, automatable no

Impact if exploited

4.9CVSS 3.1 · MEDIUM · CNA

  • ConfidentialityHigh
  • IntegrityNone
  • AvailabilityNone

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ⚠Privileges: Requires an admin / high-privilege account
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

No public exploit or proof-of-concept code is catalogued for this CVE (no ExploitDB, Nuclei, or CISA-KEV entry). It may still exist — search GitHub or check the references below.

Affected

Vendors Cisco

Products Cisco Identity Services Engine Software Cisco Ise Passive Identity Connector Identity Services Engine

Weakness (CWE)

  • CWE-611: Improper Restriction of XML External Entity Reference

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Known Affected Software Configurations

VendorProductVersion range
CiscoIdentity Services Engine≥ 3.1.0 and < 3.3.0
CiscoIdentity Services Engine3.3.0
CiscoIdentity Services Engine3.3.0
CiscoIdentity Services Engine3.3.0
CiscoIdentity Services Engine3.3.0
CiscoIdentity Services Engine3.3.0
CiscoIdentity Services Engine3.3.0
CiscoIdentity Services Engine3.3.0
CiscoIdentity Services Engine3.3.0
CiscoIdentity Services Engine3.3.0
CiscoIdentity Services Engine3.3.0
CiscoIdentity Services Engine3.3.0
CiscoIdentity Services Engine3.4.0
CiscoIdentity Services Engine3.4.0
CiscoIdentity Services Engine3.4.0
CiscoIdentity Services Engine3.4.0
CiscoIdentity Services Engine3.4.0
CiscoIdentity Services Engine3.4.0
CiscoIdentity Services Engine3.4.0
CiscoIdentity Services Engine3.5.0
CiscoIdentity Services Engine3.5.0
CiscoIdentity Services Engine3.5.0
CiscoIdentity Services Engine3.5.0

All CVSS metrics

  • MEDIUM 4.9 v3.1 · CNA Primary
    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
  • MEDIUM 4.9 v3.1 · NVD Secondary
    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

References

Advisories

Sources: NVD · CVE.org · EPSS