Threat landscape
high

Eclipse Jetty: Mehrere Schwachstellen

WID-SEC-2026-3992 · first 16.10.2026 · updated 22.10.2026 · CVSS 8,2

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What it is about

Eclipse Jetty ist ein Java-HTTP-Server und Java-Servlet-Container. Ein Angreifer kann mehrere Schwachstellen in Eclipse Jetty ausnutzen, um Dateien zu manipulieren, um Informationen offenzulegen und um Sicherheitsvorkehrungen zu umgehen.

Under what conditions?

The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.

What can happen in the worst case

An attacker could use the vulnerability to

  • Dateien zu manipulieren
  • Informationen offenzulegen
  • Sicherheitsvorkehrungen zu umgehen

Am I affected?

Affected according to the BSI:

  • Red Hat Enterprise Linux
  • Eclipse Jetty <12.1.13
  • Eclipse Jetty <12.0.39
  • Eclipse Jetty <11.0.33
  • Eclipse Jetty <10.0.33
  • Eclipse Jetty <9.4.65

The installed version is usually shown under “Help → About” or in the device’s admin interface.

What helps?

Update to at least:

  • Eclipse Jetty 12.1.13
  • Eclipse Jetty 12.0.39
  • Eclipse Jetty 11.0.33
  • Eclipse Jetty 10.0.33
  • Eclipse Jetty 9.4.65

Is the vulnerability already being exploited?

None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.

Information and sources

CVE: CVE-2026-18659, CVE-2026-18660, CVE-2026-18661, CVE-2026-18662, CVE-2026-19864, CVE-2026-76184, CVE-2026-77711

Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.

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