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High, CVSS 7.5

The REST Plugin in Apache Struts is using an outdated XStream library

CVE-2017-9793GHSA-vwxj-6m5m-rrvh

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (org.apache.struts:struts2-rest-plugin 2.5.13, 2.3.34), 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
7.5 · CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
  • CVE-2017-9793: 8.79% estimated exploitation activity in the next 30 days; percentile 95.18 (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.

The REST Plugin in Apache Struts 2.3.7 through 2.3.33 and 2.5 through 2.5.12 is using an outdated XStream library which is vulnerable and allow perform a DoS attack using malicious request with specially crafted XML payload.

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

    Published from ghsa record GHSA-vwxj-6m5m-rrvh

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2017-9793

Advisory: The REST Plugin in Apache Struts is using an outdated XStream library
IDs: CVE-2017-9793, GHSA-vwxj-6m5m-rrvh
Record: https://patchnext.com/advisories/cve-2017-9793 (revision 1, source checked 26 Oct 2026, 15:53 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 7.5)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: org.apache.struts:struts2-rest-plugin 2.5.13, 2.3.34. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven org.apache.struts:struts2-rest-plugin: affected >= 2.5.0, <= 2.5.12; < 2.3.34; fixed in 2.3.34, 2.5.13

## Suggested inspection (read-only)
- Maven org.apache.struts:struts2-rest-plugin: 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.struts:struts2-rest-plugin.
- 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-vwxj-6m5m-rrvh (GitHub-reviewed advisory GHSA-vwxj-6m5m-rrvh lists affected ranges: Maven org.apache.struts:struts2-rest-plugin >=2.5.0 =0 <2.3.34)

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