IBM WebSphere Products Multiple Vulnerabilities

unknownCVE-2026-11383 CVE-2026-11536 CVE-2026-11541 CVE-2026-11594 CVE-2026-11707

CSIRTS triage

vendor: IBM product: WebSphere ProductsOther

What: Multiple vulnerabilities have been identified in IBM WebSphere Products.
Who is affected: Users of IBM WebSphere Products.
Urgency: Remediation is important to maintain security and functionality.
Action: Users should apply patches as they are released.

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

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Details

Source: HKCERT Security Bulletins (HK · national-cert · site)
Severity: unknown
Published: 2026-06-24
Exploitation: Not in CISA KEV at last sync

Original advisory: https://www.hkcert.org/security-bulletin/ibm-websphere-products-multiple-vulnerabilities_20260624

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-2026-115410.42% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 34% of all scored CVEs.
Low exploitation riskCVE-2026-115940.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 26% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-11383	coverage & exploitation status	NVD · CVE.org
CVE-2026-11536	coverage & exploitation status	NVD · CVE.org
CVE-2026-11541	coverage & exploitation status	NVD · CVE.org
CVE-2026-11594	coverage & exploitation status	NVD · CVE.org
CVE-2026-11707	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

unknownMultiple vulnerabilities in IBM products (July 10, 2026)cert-fr-avis
unknownMultiple vulnerabilities in IBM products (July 3, 2026)cert-fr-avis
high[UPDATE] [high] IBM WebSphere Application Server and Application Server Liberty: Multiple vulnerabilitiescert-bund
highCVE-2026-11541: IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty 1…nvd
highCVE-2026-11594: IBM WebSphere Application Server 9.0, and 8.5 is affected by a cross-site scripting vulnerabil…nvd
unknownMultiple vulnerabilities in IBM products (June 26, 2026)cert-fr-avis

Recent advisories for IBM WebSphere Products

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.

unknownIBM WebSphere Products Multiple Vulnerabilitieshkcert · 2026-07-02