WID-SEC-W-2026-3275

csafDEcert_bund

DeutschShown in its original language — a full translation is planned for a future version.

IBM WebSphere Application Server Liberty: Mehrere Schwachstellen

view advisory published 2026-09-08

Ein Angreifer kann mehrere Schwachstellen in IBM WebSphere Application Server Liberty ausnutzen, um einen Denial of Service Angriff durchzuführen, um Sicherheitsvorkehrungen zu umgehen, Daten zu manipulieren und Informationen offenzulegen.

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describes (10)

Related CVEs.

IDseverity exploitable
CVE-2026-11722USmedium4.8—
IBM WebSphere Application Server 8.5 and 9.0, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 are affected by an HTTP request smuggling vulnerability.
CVE-2026-11549USmedium6.5—
IBM WebSphere Application Server 8.5 and 9.0, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 are affected by a virtual host bypass vulnerability.
CVE-2026-11548USmedium4.8—
IBM WebSphere Application Server 8.5 and 9.0, and and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 are affected by an HTTP request smuggling vulnerability.
CVE-2026-10841USmedium4.8—
IBM WebSphere Application Server 8.5 and 9.0, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 are vulnerable to HTTP request smuggling.
CVE-2026-15634USmedium6.5—
IBM WebSphere Application Server 8.5 and 9.0, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 are vulnerable to HTTP request smuggling, caused by improper…
CVE-2026-15412USmedium6.5—
IBM WebSphere Application Server 8.5 and 9.0, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8  could allow a remote attacker to conduct phishing attacks, u…
CVE-2026-15396USmedium6.5—
IBM WebSphere Application Server 8.5 and 9.0, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 are vulnerable to HTTP request smuggling, caused by improper…
CVE-2026-66144US——
Although remote policy references are not retrieved during policy normalization, if they are manually retrieved via the API it can cause a denial of service attack if a huge policy…
CVE-2026-66143US——
It is possible to bypass the maximum number of normalized policy alternatives that was introduced in Apache Neethi 3.2.2 via certain crafted policies, which may lead to a denial of…
CVE-2026-66142US——
Apache Neethi is vulnerable to uncontrolled recursion when parsing policies that lack policy Ids or with deeply nested structures, which may lead to a denial of service attack when…
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references

External citations — patches, advisories, analysis.

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