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.
{
"nvd_published_at": "2026-06-09T05:16:37Z",
"severity": "MODERATE",
"github_reviewed": true,
"cwe_ids": [
"CWE-770"
],
"github_reviewed_at": "2026-07-30T16:38:19Z"
}