CVE-2026-84170 Apache Wicket - Denial of Service

Apache Wicket 9.14.0 to 9.24.0 and 10.0.0 to 10.9.1 contain an unrestricted resource allocation vulnerability caused by unbounded upload size parameters in AbstractFileUploadResource, letting unauthenticated attackers exhaust server disk or memory, exploit requires deliberate mounting of the vulnerable upload resource.

CVSS base score 8.3 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
1 November 2026
Updated
3 November 2026
Weakness
CWE-770

Vendor fix

Upgrade to Apache Wicket version 9.25.0 or 10.12.0 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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