[UPDATE] [medium] IBM WebSphere Application Server Liberty: Multiple vulnerabilities

CSIRTS triage

What

Multiple vulnerabilities allow a remote, authenticated attacker to elevate privileges, bypass security measures, and disclose information.

Who is affected

Authenticated users of IBM WebSphere Application Server Liberty are affected.

Urgency

Remediation is medium urgency due to the potential for privilege escalation and information disclosure.

Action

Apply the latest updates to address these vulnerabilities.

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

Details

Source

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

Severity

medium

Published

2026-07-23

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-2026-0845

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-2025-149150.50% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 40% of all scored CVEs.
• Low exploitation riskCVE-2025-149170.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 28% of all scored CVEs.
• Low exploitation riskCVE-2026-15610.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all scored CVEs.
• Low exploitation riskCVE-2026-290630.98% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 59% of all scored CVEs.

Referenced CVEs

Same CVEs, other sources

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

• high[NEW] [high] Atlassian Bamboo, Bitbucket, Confluence, Fisheye, Crucible, Jira and Jira Service Management: Mul…cert-bund
• unknownMultiple vulnerabilities in Atlassian products (July 27, 2026)cert-fr-avis
• high[UPDATE] [high] Red Hat Advanced Cluster Management and Multicluster engine for Kubernetes: Vulnerability allo…cert-bund
• high[UPDATE] [high] IBM App Connect Enterprise: Multiple vulnerabilitiescert-bund

Recent advisories for IBM WebSphere Application

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.

• medium[NEU] [mittel] IBM WebSphere Application Server: Mehrere Schwachstellen ermöglichen Denial of Servicecert-bund · 2026-07-31
• high[NEW] [high] IBM WebSphere Application Server and Application Server Liberty: Multiple vulnerabilitiescert-bund · 2026-07-31
• medium[NEW] [medium] IBM WebSphere Application Server Liberty: Multiple vulnerabilities allow denial of servicecert-bund · 2026-07-31
• medium[NEW] [medium] IBM WebSphere Application Server: Vulnerability allows bypassing security measurescert-bund · 2026-07-31
• high[UPDATE] [high] IBM WebSphere Application Server and Application Server Liberty: Multiple vulnerabilitiescert-bund · 2026-07-31
• highCVE-2026-11536: IBM WebSphere Application Server 9.0, and 8.5 is affected by a remote code execution vulnerabi…nvd · 2026-07-30

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