CVE-2026-93441
IBM QRadar SIEM HTTP Receiver protocol is vulnerable to a denial of service
IBM QRadar SIEM could allow a remote attacker to cause a denial of service due to uncontrolled resource consumption.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
IBM QRadar SIEM HTTP Receiver protocol is vulnerable to a denial of service
IBM QRadar SIEM could allow a remote attacker to cause a denial of service due to uncontrolled resource consumption.
- Record
CVE-2026-93441- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
EUVDEUVD-2026-106860
IBM QRadar SIEM could allow a remote attacker to cause a denial of service due to uncontrolled resource consumption.
- Record
EUVD-2026-106860- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-f3c3-ppjc-gwr4
IBM QRadar SIEM could allow a remote attacker to cause a denial of service due to uncontrolled...
IBM QRadar SIEM could allow a remote attacker to cause a denial of service due to uncontrolled resource consumption.
- Record
GHSA-f3c3-ppjc-gwr4- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
NVD
IBM QRadar SIEM could allow a remote attacker to cause a denial of service due to uncontrolled resource consumption.
- Record
CVE-2026-93441- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-93441 is a high vulnerability (CVSS 8.6) in Ibm Qradar Security Information And Event Management, published October 20, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 25th percentile. No source names a fixed version.