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Critical, CVSS 9.8

Apache Flume vulnerable to remote code execution via deserialization of unsafe providerURL

CVE-2022-42468GHSA-9w4g-fp9h-3q2v

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (org.apache.flume.flume-ng-sources:flume-jms-source 1.11.0), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
  • CVE-2022-42468: 3.72% estimated exploitation activity in the next 30 days; percentile 89.81 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

Flume’s JMSSource class can be configured with a providerUrl parameter. A JNDI lookup is performed on this name without performing validation. This could result in untrusted data being deserialized, leading to remote code execution (RCE) attack when a configuration uses a JMS Source with an unsafe providerURL. This issue is fixed in version 1.11.0.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-9w4g-fp9h-3q2v

Agent brief

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# Patch Next advisory brief: CVE-2022-42468

Advisory: Apache Flume vulnerable to remote code execution via deserialization of unsafe providerURL
IDs: CVE-2022-42468, GHSA-9w4g-fp9h-3q2v
Record: https://patchnext.com/advisories/cve-2022-42468 (revision 1, source checked 26 Oct 2026, 16:11 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Critical (CVSS 9.8)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: org.apache.flume.flume-ng-sources:flume-jms-source 1.11.0. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven org.apache.flume.flume-ng-sources:flume-jms-source: affected < 1.11.0; fixed in 1.11.0

## Suggested inspection (read-only)
- Maven org.apache.flume.flume-ng-sources:flume-jms-source: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on org.apache.flume.flume-ng-sources:flume-jms-source.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-9w4g-fp9h-3q2v (GitHub-reviewed advisory GHSA-9w4g-fp9h-3q2v lists affected ranges: Maven org.apache.flume.flume-ng-sources:flume-jms-source >=0 <1.11.0)

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