Vulnerability · Published Oct 20, 2026 · Assigned by ibm
CVE-2026-93441IBM QRadar SIEM HTTP Receiver protocol is vulnerable to a denial of service
High 8.6
In plain English
A high-severity uncontrolled resource consumption in QRadar Security Information and Event Management from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).
Severity (CVSS 3.1)8.6High
Exploit odds (30 days)0.3%top 74.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
IBM QRadar SIEM could allow a remote attacker to cause a denial of service due to uncontrolled resource consumption.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | QRadar Security Information and Event Management | 7.4-20210823144546 – through 7.5-202609300648587.6-20260330053257 – through 7.6-20260930064910 |
Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
References
- https://www.ibm.com/support/pages/node/7292244 vendor-advisory, patch