Denial of service in IBM QRadar SIEM HTTP Receiver protocol
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-400.
Summary
IBM QRadar Security Information and Event Management is affected from 7.4-20210823144546 through 7.5-20260930064858 and from 7.6-20260330053257 through 7.6-20260930064910. Uncontrolled resource consumption (CWE-400) in the HTTP Receiver protocol lets an unauthenticated remote attacker exhaust resources and cause a denial of service.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
IBM QRadar SIEM could allow a remote attacker to cause a denial of service due to uncontrolled resource consumption.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| IBM | QRadar Security Information and Event Management | 7.4-20210823144546 – 7.5-20260930064858; 7.6-20260330053257 – 7.6-20260930064910 | — | No fix listed | CNA |
- QRadar Security Information and Event Management VendorIBM Affected 7.4-20210823144546 – 7.5-20260930064858; 7.6-20260330053257 – 7.6-20260930064910 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for IBM QRadar Security Information and Event Management.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Timeline
- 2026-10-21 Threatist record created from CVE-2026-93441
- 2026-10-21 Alias added: GHSA-f3c3-ppjc-gwr4
- 2026-10-22 Priority changed: MEDIUM → LOW
References
More IBM vulnerabilities
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Sources
- CVE-2026-93441 · CVE Program
- CVE-2026-93441 · NVD
- FIRST EPSS
- GHSA-f3c3-ppjc-gwr4 · GitHub Advisory Database · CC BY 4.0
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