4.9

CVE-2026-76446: cisco cisco identity services engine software

CVSS: 4.9v3.1MediumAnalyzed
Published 16-09-2026Last modified 17-09-2026

Vulnerability summary

CVE-2026-76446 is a medium (CVSS 4.9) vulnerability in cisco cisco identity services engine software. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.7% of scored vulnerabilities.

Overall risk
20/100
0100
Low · default modelHow is this calculated?
CVSS score
4.9/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.30%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 16-09-2026
    PublishedVulnerability first disclosed.
  2. 17-09-2026
    Last modifiedVulnerability information updated.

Description

A vulnerability in an API of Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker to read specific files on the underlying operating system of an affected device. This vulnerability is due to improper restriction of XML external entity references. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to read specific files on the affected system that the underlying process has permission to access.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.30%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

0.00 pp

From 0.30% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.30%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cisco4 products
  • cisco identity services engine software3.1.0 | 3.1.0 p1 | 3.1.0 p3 | 3.1.0 p2 | 3.2.0 | 3.1.0 p4 | 3.1.0 p5 | 3.2.0 p1 | 3.1.0 p6 | 3.2.0 p2 | 3.1.0 p7 | 3.3.0 | 3.2.0 p3 | 3.2.0 p4 | 3.1.0 p8 | 3.2.0 p5 | 3.2.0 p6 | 3.1.0 p9 | 3.3 Patch 2 | 3.3 Patch 1 | 3.3 Patch 3 | 3.4.0 | 3.2.0 p7 | 3.3 Patch 4 | 3.4 Patch 1 | 3.1.0 p10 | 3.3 Patch 5 | 3.3 Patch 6 | 3.4 Patch 2 | 3.3 Patch 7 | 3.4 Patch 3 | 3.5.0 | 3.4 Patch 4 | 3.3 Patch 8 | 3.2 Patch 8 | 3.5 Patch 1 | 3.3 Patch 9 | 3.2 Patch 9 | 3.4 Patch 5 | 3.5 Patch 3 | 3.5 Patch 2 | 3.3 Patch 10 | 3.3 Patch 11 | 3.4 Patch 6 | 3.2 Patch 10 | 3.1.0 p72 | 3.1.0 p11
  • cisco ise passive identity connector3.2.0 | 3.1.0 | 3.3.0 | 3.4.0 | 3.5.0
  • identity_services_engine< 3.3.0 | 3.3.0:patch1 | 3.3.0:patch10 | 3.3.0:patch11 | 3.3.0:patch2 | 3.3.0:patch3 | 3.3.0:patch4 | 3.3.0:patch5 | 3.3.0:patch6 | 3.3.0:patch7 | 3.3.0:patch8 | 3.3.0:patch9 | 3.4.0 | 3.4.0:patch1 | 3.4.0:patch2 | 3.4.0:patch3 | 3.4.0:patch4 | 3.4.0:patch5 | 3.4.0:patch6 | 3.5.0 | 3.5.0:patch1 | 3.5.0:patch2 | 3.5.0:patch3
  • identity_services_engine_passive_identity_connector< 3.3.0 | 3.3.0:patch1 | 3.3.0:patch10 | 3.3.0:patch11 | 3.3.0:patch2 | 3.3.0:patch3 | 3.3.0:patch4 | 3.3.0:patch5 | 3.3.0:patch6 | 3.3.0:patch7 | 3.3.0:patch8 | 3.3.0:patch9 | 3.4.0 | 3.4.0:patch1 | 3.4.0:patch2 | 3.4.0:patch3 | 3.4.0:patch4 | 3.4.0:patch5 | 3.4.0:patch6

1 vendor · 4 products

References

1 links