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Review reviewHigh

CVE-2026-1605

Eclipse Foundation Eclipse Jetty, HawtIO HawtIO 4.4.0, Red Hat AMQ Broker 7.14.0

In Eclipse Jetty, versions 12.0.0-12.0.31 and 12.1.0-12.0.5, class GzipHandler exposes a vulnerability when a compressed HTTP request, with Content-Encoding: gzip, is processed and the corresponding response is not compressed. This happens because the JDK Inflater is allocated for decompressing the request, but it is not released because the release mechanism is tied to the compressed response. In this case, since the response is not compressed, the release mechanism does not trigger, causing the leak.

CVSS
7.5
EPSS
0.63%
46.5% percentile
CISA KEV
Not listed
Published
2026.03.05
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.63%
Technical severityCVSS 7.5

Vulnerability overview

In Eclipse Jetty, versions 12.0.0-12.0.31 and 12.1.0-12.0.5, class GzipHandler exposes a vulnerability when a compressed HTTP request, with Content-Encoding: gzip, is processed and the corresponding response is not compressed. This happens because the JDK Inflater is allocated for decompressing the request, but it is not released because the release mechanism is tied to the compressed response. In this case, since the response is not compressed, the release mechanism does not trigger, causing the leak.

Affected product and versions

Product
Eclipse Foundation Eclipse Jetty, HawtIO HawtIO 4.4.0, Red Hat AMQ Broker 7.14.0
Affected versions
>= 12.0.0 <= 12.0.31, >= 12.1.0. <= 12.1.5, >= 12.0.0 < 12.0.32, >= 12.1.0 < 12.1.6
Fixed versions
12.0.32, 12.1.6

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Eclipse Foundation Eclipse Jetty, HawtIO HawtIO 4.4.0, Red Hat AMQ Broker 7.14.0 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
CWE-400, CWE-401, CWE-772