[UPDATE] [high] IBM WebSphere Application Server: Multiple vulnerabilities

CSIRTS triage

What

An attacker can exploit multiple vulnerabilities in IBM WebSphere Application Server to execute arbitrary code and perform a Denial of Service attack.

Who is affected

Deployments of IBM WebSphere Application Server are affected.

Urgency

Remediation is urgent due to the high severity and potential for arbitrary code execution.

Action

Update to the latest version of IBM WebSphere Application Server.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

CERT-Bund (BSI) Security Advisories (DE · national-cert · site)

Severity

high

Published

2026-07-02

Exploitation

Not in CISA KEV at last sync

Language

Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2001

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

• Low exploitation riskCVE-2026-108450.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 26% of all scored CVEs.
• Low exploitation riskCVE-2026-108520.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 19% of all scored CVEs.
• Low exploitation riskCVE-2026-86460.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 26% of all scored CVEs.
• Low exploitation riskCVE-2026-88580.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all scored CVEs.
• Low exploitation riskCVE-2026-90060.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 13% of all scored CVEs.
• Low exploitation riskCVE-2026-90710.31% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 23% of all scored CVEs.
• Low exploitation riskCVE-2026-90720.41% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 33% of all scored CVEs.
• Low exploitation riskCVE-2026-93200.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 24% of all scored CVEs.

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• unknownMultiple vulnerabilities in IBM products (July 3, 2026)cert-fr-avis
• unknownIBM WebSphere Products Multiple Vulnerabilitieshkcert

Recent advisories for IBM WebSphere Application Server

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

• high[UPDATE] [high] IBM WebSphere Application Server: Multiple vulnerabilitiescert-bund · 2026-07-09
• medium[NEW] [medium] IBM WebSphere Application Server Liberty: Vulnerability allows denial of servicecert-bund · 2026-07-08
• medium[NEW] [medium] IBM WebSphere Application Server: Vulnerability allows execution of actionscert-bund · 2026-07-08
• high[UPDATE] [high] IBM WebSphere Application Server: Multiple vulnerabilitiescert-bund · 2026-07-03
• medium[UPDATE] [medium] IBM WebSphere Application Server: Multiple vulnerabilitiescert-bund · 2026-07-03
• high[UPDATE] [high] IBM WebSphere Application Server: Multiple vulnerabilitiescert-bund · 2026-07-02

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