CVE-2026-93441
IBM QRadar SIEM HTTP Receiver protocol is vulnerable to a denial of service
02 Description
IBM QRadar SIEM HTTP Receiver protocol is vulnerable to a denial of service
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.32% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 25.5% of scored records. A rank, not a probability.
- NVD base score
- 8.6 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-10-26.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-20 21:51Z8 DAYS AGO
- Last updated
- 2026-10-26 17:37Z2 DAYS AGO
- Reserved
- 2026-09-17
- Assigning CNA
- ibm
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.6)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- Weaknesses
- CWE-400Uncontrolled Resource ConsumptionClass
- Data version
- 5.2
- Document digest
- d07ab4d4796381ba0257479290e4461a2892e84e4843898387b47d943accc6a0
05 Affected products
06 References
07 Remediation
IBM strongly encourages customers to update their systems promptly. ProductProtocolVersionFixIBM QRadar SIEMHTTP Receiver 7.5 PROTOCOL-HTTPReceiver-7.5-20260930064859.noarch.rpm https://www.ibm.com/support/fixcentral/swg/selectFixes IBM QRadar SIEMHTTP Receiver 7.6 PROTOCOL-HTTPReceiver-7.6-20260930064911.noarch.rpm https://www.ibm.com/support/fixcentral/swg/selectFixes These RPMs will be updated as part of QRadar Auto Update https://www.ibm.com/docs/en/qsip/7.6.0 where enabled.