CVE-2026-9170

Status: ModifiedCritical (9.8)—

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

Version: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base score: 9.8

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.86%
Percentile among all scored CVEs: 57
Score date: 10/4/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1190 Exploit Public-Facing Applicationinitial access95 %
Primary impactT1059 Command and Scripting Interpreterexecution90 %
Secondary impactT1499.004 Application or System Exploitationimpact85 %

Vector CVSS AV:N/AC:L/PR:N sin UI indica acceso remoto sin privilegios (T1190). CWE-94 (improper input validation) y descripción de RCE sostienen T1059. DoS explícitamente mencionado justifica T1499.004.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Privileged Account Management Filter Network Traffic Vulnerability Scanning Restrict Web-Based Content Network Segmentation Limit Software Installation

Affected technologies (1)

IBM — Http Server

CWEs

CWE-94

References

https://www.ibm.com/support/pages/node/7274065

Raw JSON (NVD)

Show

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