CVE-2026-91869

IBM Security QRadar EDR Improper Restriction of Excessive Authentication Attempts

Published Nov 13, 2026 CVSS 3.1 · 8.1 High EPSS n/a KEV · Not listed
Description
IBM Security QRadar EDR 3.12 through 3.12.26 could allow a remote authenticated attacker to bypass security restrictions due to improper rate limiting on TOTP verification.

Analysis

No analysis available yet

Remediation

Vendor Solution

IBM encourages customers to update their systems promptly. ProductFix versionIBM Security QRadar EDR3.12.27 The IBM Security QRadar EDR operator can be upgraded automatically when new compatible versions are available. However, you can control whether an operator is upgraded automatically by setting an approval strategy. Two approval strategies are available: * Automatic (default) - New operator versions are installed automatically when they are available on the subscription channel. * Manual - When a new operator version is available on the subscription channel, the subscription indicates that an update is available, but you must approve the update manually. For more information about the manual installation process, view  Installing QRadar EDR https://www.ibm.com/docs/en/security-qradar-edr/3.12

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description IBM Security QRadar EDR 3.12 through 3.12.26 could allow a remote authenticated attacker to bypass security restrictions due to improper rate limiting on TOTP verification.
Title IBM Security QRadar EDR Improper Restriction of Excessive Authentication Attempts
First Time appeared Ibm
Ibm security Qradar Edr
Weaknesses CWE-307
CPEs cpe:2.3:a:ibm:security_qradar_edr:3.12:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm security Qradar Edr
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

Weaknesses
  • CWE-307

    Improper Restriction of Excessive Authentication Attempts

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Nov 13, 2026, 10:07 PM
Reserved
Sep 15, 2026, 10:03 AM
Status
Awaiting Analysis
Published
Nov 13, 2026, 10:17 PM
Modified
Nov 13, 2026, 10:17 PM