CVE-2026-42402CWE-400

Apache Neethi: Policy Normalization Unbounded Resource Allocation DoS

High · published May 1, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
54.1
In the wild
Unconfirmed
What it is

Apache Neethi is vulnerable to a Denial of Service attack through algorithmic complexity in policy normalization. Specially crafted WS-Policy documents can trigger an exponential Cartesian cross-product expansion during the normalization process, causing unbounded memory allocation that exhausts the JVM heap. This occurs when the normalization process generates an excessive number of policy alternatives without bounds, leading to runtime memory exhaustion.

Users should upgrade to 3.2.2 which limits the maximum number of normalized policy alternatives.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00740 · 54.1th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2026-05-01T08:54Z
EPSS history
Timeline
  • 01 MAY 08:54Z
    Apache Neethi: Policy Normalization Unbounded Resource Allocation DoS
    cvelistv5