SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2026-9170

IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service and a potential remote code execution due to improper input validation.

CRITICAL 9.8EPSS 0.49%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service and a potential remote code execution due to improper input validation.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.49% probability · 41th percentile
CISA KEV
Not listed
Weakness
CWE-94
Affected
ibm/http server
Source
psirt@us.ibm.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.