CubePath

CVE-2026-76460

Cisco Identity Services Engine Authentication Bypass Vulnerability

CVSS 3.1 Critical 10.0Known exploited (CISA KEV)

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

Description

A vulnerability in an API of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to bypass authentication. This vulnerability is due to insufficient authentication control on an API endpoint. An attacker could exploit this vulnerability by sending a crafted request to an affected API endpoint. A successful exploit could allow the attacker to gain unauthorized access to the affected device by bypassing the web-based management interface.

Official description from the CVE record, published by cisco. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org

Key data

CVSS 3.1 Critical 10.0
Score published by cisco in the CVE record.

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

  • Attack vector: Network

    The vulnerable component can be reached over a network, possibly from the Internet.

  • Attack complexity: Low

    No special conditions are needed. The attack can be repeated at will.

  • Privileges required: None

    No account or privileges are needed.

  • User interaction: None

    No action from any user is needed.

  • Scope: Changed

    The impact can reach other components beyond the vulnerable one.

  • Confidentiality impact: High

    Serious or total effect on the secrecy of data.

  • Integrity impact: High

    Serious or total effect on the trustworthiness of data.

  • Availability impact: High

    Serious or total effect on availability.

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.

EPSS
Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.
Score
0.75599 (75.6% probability)
Percentile
99.5%
Scores of
Nov 10, 2026
Model
v2026.06.15
CISA Known Exploited Vulnerabilities
This CVE is listed in the CISA KEV catalog.
Name in the catalog
Cisco Identity Services Engine Incorrect Use of Privileged APIs Vulnerability
Added to the catalog
Sep 16, 2026
Federal due date
Sep 19, 2026
CISA assessment as of Sep 17, 2026
Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.
Exploitation
Recorded by CISA as active
Automatable
yes
Technical impact
total
Weakness (CWE)
CWE catalog version 5.0.
CWE names: Copyright © 2006-2026, The MITRE Corporation. See /security/cve/legal for the CWE license.
  • CWE-648Incorrect Use of Privileged APIs
Affected products
Products listed in the CVE record, as the CNA published them.
  • Cisco Identity Services Engine Software

    • affected: 3.1.0 p8
    • affected: 3.1.0 p9
    • affected: 3.3 Patch 2
    • affected: 3.3 Patch 1
    • affected: 3.3 Patch 3
    • affected: 3.4.0
    • affected: 3.2.0 p7
    • affected: 3.3 Patch 4
    • affected: 3.4 Patch 1
    • affected: 3.1.0 p10
    • affected: 3.3 Patch 5
    • affected: 3.3 Patch 6
    • affected: 3.4 Patch 2
    • affected: 3.3 Patch 7
    • affected: 3.4 Patch 3
    • affected: 3.5.0
    • affected: 3.4 Patch 4
    • affected: 3.3 Patch 8
    • affected: 3.2 Patch 8
    • affected: 3.5 Patch 1
    • affected: 3.3 Patch 9
    • affected: 3.2 Patch 9
    • affected: 3.4 Patch 5
    • affected: 3.5 Patch 3
    • affected: 3.5 Patch 2
    • and 5 more
  • Cisco ISE Passive Identity Connector

    • affected: 3.4.0
    • affected: 3.5.0
References
Links listed in the CVE record. They lead to other sites, which CubePath does not control.
Timeline
  1. ID reserved
  2. Added to CISA KEV
  3. Record published
  4. Record last updated

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About CubePath
CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.

Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:06 UTC. Sources and licenses