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[NEW] [high] IBM App Connect Enterprise: Vulnerability Enables Cross-Site Scripting

highpublic exploitCVE-2026-47423
A remote, anonymous attacker can exploit a vulnerability in IBM App Connect Enterprise to perform a cross-site scripting attack.

CSIRTS triage

vendor: IBMproduct: App Connect EnterpriseCross-site scripting
What
A vulnerability in IBM App Connect Enterprise allows remote unauthenticated attackers to perform cross-site scripting attacks.
Who is affected
Deployments of IBM App Connect Enterprise.
Urgency
High; cross-site scripting in an enterprise integration platform may enable session hijacking, credential theft, or further attacks.
Action
Apply security patches for IBM App Connect Enterprise.

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
2026-08-19
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-2026-2910

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-2026-47423coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

Recent advisories for IBM App Connect Enterprise

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