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[NEW] [medium] IBM Java SDK: Vulnerability enables denial of service

mediumCVE-2026-16440
A remote, authenticated attacker can exploit a vulnerability in IBM Java SDK to conduct a denial of service attack.

CSIRTS triage

vendor: IBMproduct: Java SDKDenial of service
What
A denial of service vulnerability in IBM Java SDK allows authenticated remote attackers to crash or hang Java applications.
Who is affected
Applications using IBM Java SDK in remote-accessible deployments are affected.
Urgency
Medium priority; requires authentication and results in denial of service rather than code execution.
Action
Update IBM Java SDK to the patched version.

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
medium
Published
2026-09-02
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-2026-3044

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.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-16440coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

Recent advisories for IBM Java SDK

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.

More from CERT-Bund (BSI) Security Advisories