Remote Authentication Vulnerability in IBM Security QRadar EDR
CVE-2026-91869

8.1HIGH

Key Information:

Vendor

IBM
Status
Security Qradar Edr
Vendor
CVE Published:
13 November 2026

What is CVE-2026-91869?

IBM Security QRadar EDR versions 3.12 through 3.12.26 are susceptible to a vulnerability that enables remote authenticated attackers to bypass security measures due to inadequate rate limiting in Time-based One-Time Password (TOTP) verification. This flaw raises significant concerns as it can expose sensitive information and compromise system integrity, warranting immediate attention and patching to safeguard against potential exploitation.

Affected Version(s)

Security QRadar EDR 3.12.0 <= 3.12.26

References

https://www.ibm.com/support/pages/node/7296309
vendor-advisorypatch

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.