8.6

CVE-2026-93441: IBM QRadar SIEM HTTP Receiver protocol is vulnerable to a denial of service

Awaiting analysis
Published 20-10-2026Last modified 20-10-2026

Vulnerability summary

CVE-2026-93441 is a high (CVSS 8.6) Uncontrolled Resource Consumption vulnerability in ibm qradar security information and event management. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.5% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.6/10
010
High · v3.1 (CVE.org)
EPSS score
0.33%
0%100%
Low · Change unavailable
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 20-10-2026
    PublishedVulnerability first disclosed.

Description

IBM QRadar SIEM could allow a remote attacker to cause a denial of service due to uncontrolled resource consumption.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.33%

Chance of exploitation in the next 30 days

Percentile

25%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

21-10-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ibm1 product

1 vendor · 1 product

References

1 links