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

highCVE-2026-11708 CVE-2026-11712 CVE-2026-11595

An attacker can exploit multiple vulnerabilities in IBM WebSphere Application Server to conduct a Cross-Site Scripting attack and disclose confidential information.

CSIRTS triage

vendor: IBM product: WebSphere Application Server Cross-site scripting Information disclosureOther

What: An attacker can exploit multiple vulnerabilities in IBM WebSphere Application Server to conduct Cross-Site Scripting attacks and disclose confidential information.
Who is affected: Deployments of IBM WebSphere Application Server are affected.
Urgency: Remediation is urgent due to the high severity and potential for information disclosure.
Action: Apply the latest patches for IBM WebSphere Application Server.

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

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: high
Published: 2026-08-25
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-2026-2159

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-2026-117080.38% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 32% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-117120.38% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 32% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-115950.78% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 54% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-11708	coverage & exploitation status	NVD · CVE.org
CVE-2026-11712	coverage & exploitation status	NVD · CVE.org
CVE-2026-11595	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

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.

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