CVE-2026-104712 Apache Struts - Denial of Service

Apache Struts 2.5.14 to 2.5.33, 6.0.0 to 6.11.0, and 7.0.0 to 7.3.0 contain an asymmetric resource consumption vulnerability caused by binding request parameters to BigDecimal properties rendered via Struts tag library, letting unauthenticated remote attackers exhaust server CPU and network capacity, exploit requires binding and rendering of BigDecimal properties.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.95% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
5 October 2026
Updated
15 October 2026
Weakness
CWE-405

Vendor fix

Upgrade to Apache Struts version 6.12.0 or 7.4.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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