Description
Allocation of resources without limits or throttling vulnerability in the Apache Struts REST plugin. A request body is read into memory without any bound on how much will be accepted, so a single request can cause the server to allocate memory in proportion to its size, exhausting the Java heap and denying service to other users. No additional setting has to be enabled. Applications that do not use the REST plugin are not affected.

This issue affects Apache Struts: from 2.1.8 through 2.3.37, from 2.5.0 through 2.5.33, from 6.0.0 through 6.11.0, from 7.0.0 through 7.3.0.

Users are recommended to upgrade to version 6.12.0 or 7.4.0, which fixes the issue.
Published: 2026-10-05
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

No vendor fix or workaround currently provided.

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Tracking

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History

Tue, 06 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 05 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
References

Mon, 05 Oct 2026 18:45:00 +0000

Type Values Removed Values Added
Description Allocation of resources without limits or throttling vulnerability in the Apache Struts REST plugin. A request body is read into memory without any bound on how much will be accepted, so a single request can cause the server to allocate memory in proportion to its size, exhausting the Java heap and denying service to other users. No additional setting has to be enabled. Applications that do not use the REST plugin are not affected. This issue affects Apache Struts: from 2.1.8 through 2.3.37, from 2.5.0 through 2.5.33, from 6.0.0 through 6.11.0, from 7.0.0 through 7.3.0. Users are recommended to upgrade to version 6.12.0 or 7.4.0, which fixes the issue.
Title Apache Struts: Unbounded request body read in the REST plugin
Weaknesses CWE-770
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-10-06T14:12:55.065Z

Reserved: 2026-10-02T10:54:35.480Z

Link: CVE-2026-104713

cve-icon Vulnrichment

Updated: 2026-10-06T14:12:33.612Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-05T19:17:14.757

Modified: 2026-10-06T15:17:12.770

Link: CVE-2026-104713

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-05T19:30:21Z

Weaknesses