[NEW] [high] IBM WebSphere Application Server Liberty: Multiple vulnerabilities

highCVE-2026-10571 CVE-2026-14525 CVE-2026-18499

An attacker can exploit multiple vulnerabilities in IBM WebSphere Application Server Liberty to perform a denial of service attack, bypass security measures, and escalate privileges.

CSIRTS triage

vendor: IBM product: WebSphere Application Server Liberty Denial of service Authentication bypass Privilege escalation

What: An attacker can exploit multiple vulnerabilities to perform denial of service, bypass security measures, and escalate privileges.
Who is affected: Any WebSphere Application Server Liberty deployment.
Urgency: High priority; multiple attack vectors including privilege escalation warrant immediate remediation.
Action: Apply IBM security patches for CVE-2026-10571, CVE-2026-14525, and CVE-2026-18499 immediately.

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: 2026-08-14
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-2026-2807

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-2026-105710.56% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 44% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-145250.58% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 45% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-184990.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 19% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-10571	coverage & exploitation status	NVD · CVE.org
CVE-2026-14525	coverage & exploitation status	NVD · CVE.org
CVE-2026-18499	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

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[NEW] [medium] IBM WebSphere Application Server: Multiple vulnerabilities enable Denial of Servicecert-bund · 2026-08-14
medium[NEW] [medium] IBM WebSphere Application Server: Vulnerability allows execution of actionscert-bund · 2026-08-14
high[UPDATE] [high] IBM WebSphere Application Server: Multiple vulnerabilitiescert-bund · 2026-08-14
high[UPDATE] [high] IBM WebSphere Application Server and Application Server Liberty: Multiple vulnerabilitiescert-bund · 2026-08-14
high[UPDATE] [high] IBM WebSphere Application Server: Multiple vulnerabilitiescert-bund · 2026-08-14
criticalCVE-2026-14525: IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 IBM WebSphere Application…nvd · 2026-08-13