[NEW] [medium] IBM WebSphere Application Server Liberty: Multiple vulnerabilities allow denial of service

An attacker can exploit multiple vulnerabilities in IBM WebSphere Application Server Liberty to conduct a denial of service attack.

CSIRTS triage

What: Multiple vulnerabilities allow for denial of service attacks.
Who is affected: Deployments of IBM WebSphere Application Server Liberty are affected.
Urgency: Remediation is important due to medium severity and potential for exploitation.
Action: Update to the latest version of IBM WebSphere Application Server Liberty.

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

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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-2026-118970.30% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 23% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-150570.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all EPSS-scored CVEs.

CVE	CSIRTS overview	External
CVE-2026-11897	coverage & exploitation status	NVD · CVE.org
CVE-2026-15057	coverage & exploitation status	NVD · CVE.org

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