CVE-2026-41851CWE-770

Spring Framework Denial of Service via Unbounded Cache in SpEL

Medium · published June 9, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
31.6
In the wild
Unconfirmed
What it is

Applications which accept user-supplied Spring Expression Language (SpEL) expressions may be vulnerable to a Denial of Service (DoS) attack if the evaluation of a SpEL expression triggers unbounded cache growth.

Affected versions:

Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00387 · 31.6th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-06-09T03:51Z
EPSS history
Timeline
  • 09 JUN 03:51Z
    Spring Framework Denial of Service via Unbounded Cache in SpEL
    cvelistv5