Vulnerability Details CVE-2026-104713
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 34.0%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2026-104713
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cpe:2.3:a:apache:struts:2.1.8
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cpe:2.3:a:apache:struts:2.1.8.1
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cpe:2.3:a:apache:struts:2.2.1
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cpe:2.3:a:apache:struts:2.2.1.1
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cpe:2.3:a:apache:struts:2.2.3
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cpe:2.3:a:apache:struts:2.2.3.1
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cpe:2.3:a:apache:struts:2.3.0
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cpe:2.3:a:apache:struts:2.3.1
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cpe:2.3:a:apache:struts:2.3.1.1
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cpe:2.3:a:apache:struts:2.3.1.2
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cpe:2.3:a:apache:struts:2.3.10
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cpe:2.3:a:apache:struts:2.3.11
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cpe:2.3:a:apache:struts:2.3.12
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cpe:2.3:a:apache:struts:2.3.13
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cpe:2.3:a:apache:struts:2.3.14
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cpe:2.3:a:apache:struts:2.3.14.1
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cpe:2.3:a:apache:struts:2.3.14.2
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cpe:2.3:a:apache:struts:2.3.14.3
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cpe:2.3:a:apache:struts:2.3.15
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cpe:2.3:a:apache:struts:2.3.15.1
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cpe:2.3:a:apache:struts:2.3.15.2
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cpe:2.3:a:apache:struts:2.3.15.3
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cpe:2.3:a:apache:struts:2.3.16
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cpe:2.3:a:apache:struts:2.3.16.1
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cpe:2.3:a:apache:struts:2.3.16.2
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cpe:2.3:a:apache:struts:2.3.16.3
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cpe:2.3:a:apache:struts:2.3.17
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cpe:2.3:a:apache:struts:2.3.19
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cpe:2.3:a:apache:struts:2.3.20
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cpe:2.3:a:apache:struts:2.3.20.1
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cpe:2.3:a:apache:struts:2.3.20.2
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cpe:2.3:a:apache:struts:2.3.20.3
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cpe:2.3:a:apache:struts:2.3.21
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cpe:2.3:a:apache:struts:2.3.22
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cpe:2.3:a:apache:struts:2.3.23
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cpe:2.3:a:apache:struts:2.3.24
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cpe:2.3:a:apache:struts:2.3.24.1
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cpe:2.3:a:apache:struts:2.3.24.2
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cpe:2.3:a:apache:struts:2.3.24.3
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cpe:2.3:a:apache:struts:2.3.25
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cpe:2.3:a:apache:struts:2.3.26
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cpe:2.3:a:apache:struts:2.3.27
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cpe:2.3:a:apache:struts:2.3.28
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cpe:2.3:a:apache:struts:2.3.28.1
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cpe:2.3:a:apache:struts:2.3.29
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cpe:2.3:a:apache:struts:2.3.3
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cpe:2.3:a:apache:struts:2.3.30
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cpe:2.3:a:apache:struts:2.3.31
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cpe:2.3:a:apache:struts:2.3.32
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cpe:2.3:a:apache:struts:2.3.33
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cpe:2.3:a:apache:struts:2.3.34
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cpe:2.3:a:apache:struts:2.3.35
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cpe:2.3:a:apache:struts:2.3.36
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cpe:2.3:a:apache:struts:2.3.37
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cpe:2.3:a:apache:struts:2.3.4
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cpe:2.3:a:apache:struts:2.3.4.1
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cpe:2.3:a:apache:struts:2.3.5
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cpe:2.3:a:apache:struts:2.3.6
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cpe:2.3:a:apache:struts:2.3.7
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cpe:2.3:a:apache:struts:2.3.8
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cpe:2.3:a:apache:struts:2.3.9
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cpe:2.3:a:apache:struts:2.5.0
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cpe:2.3:a:apache:struts:2.5.1
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cpe:2.3:a:apache:struts:2.5.10
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cpe:2.3:a:apache:struts:2.5.10.1
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cpe:2.3:a:apache:struts:2.5.11
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cpe:2.3:a:apache:struts:2.5.12
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cpe:2.3:a:apache:struts:2.5.13
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cpe:2.3:a:apache:struts:2.5.14
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cpe:2.3:a:apache:struts:2.5.14.1
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cpe:2.3:a:apache:struts:2.5.15
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cpe:2.3:a:apache:struts:2.5.16
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cpe:2.3:a:apache:struts:2.5.17
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cpe:2.3:a:apache:struts:2.5.18
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cpe:2.3:a:apache:struts:2.5.19
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cpe:2.3:a:apache:struts:2.5.2
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cpe:2.3:a:apache:struts:2.5.20
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cpe:2.3:a:apache:struts:2.5.21
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cpe:2.3:a:apache:struts:2.5.22
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cpe:2.3:a:apache:struts:2.5.23
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cpe:2.3:a:apache:struts:2.5.24
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cpe:2.3:a:apache:struts:2.5.25
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cpe:2.3:a:apache:struts:2.5.26
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cpe:2.3:a:apache:struts:2.5.27
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cpe:2.3:a:apache:struts:2.5.28
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cpe:2.3:a:apache:struts:2.5.28.1
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cpe:2.3:a:apache:struts:2.5.28.2
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cpe:2.3:a:apache:struts:2.5.28.3
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cpe:2.3:a:apache:struts:2.5.29
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cpe:2.3:a:apache:struts:2.5.3
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cpe:2.3:a:apache:struts:2.5.30
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cpe:2.3:a:apache:struts:2.5.31
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cpe:2.3:a:apache:struts:2.5.32
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cpe:2.3:a:apache:struts:2.5.33
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cpe:2.3:a:apache:struts:2.5.4
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cpe:2.3:a:apache:struts:2.5.5
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cpe:2.3:a:apache:struts:2.5.6
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cpe:2.3:a:apache:struts:2.5.7
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cpe:2.3:a:apache:struts:2.5.8
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cpe:2.3:a:apache:struts:2.5.9