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Back to active CVEs
High · CVSS 8.1CVE-2026-91869

IBM Security QRadar EDR Improper Restriction of Excessive Authentication AttemptsCVE-2026-91869

Answer in brief

CVE-2026-91869 records a High severity (CVSS 8.1) vulnerability in IBM Security QRadar EDR Improper Restriction of Excessive Authentication Attempts. The current sources do not mark it as known exploited. The current feed maps IBM/Security QRadar EDR (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 13, 2026Updated Nov 13, 2026Source checked Nov 14, 2026First seen by HOL Nov 13, 2026Material review Nov 13, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.1
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 8.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps IBM/Security QRadar EDR (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
IBM/Security QRadar EDRgeneric>=3.12.0 <=3.12.26Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for IBM/Security QRadar EDR.
  2. 2Review the reported fix. Source-reported 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

Evidence timeline and material changes

  1. Published upstream

    Nov 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 13, 2026

Sources and claim methodology

  • Source referenceibm.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • IBM Security QRadar EDR Improper Access ControlSame ibm/security qradar edr package

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-307
Source
CVE List V5
Source checked
Nov 14, 2026
References
1 linked source
Open source record