An integer overflow vulnerability exists in the evaluation logic of the Spring Expression Language (SpEL). An attacker can exploit this by supplying a specially crafted SpEL expression that triggers excessive resource consumption, resulting in a Denial of Service (DoS).
Affected versions: Spring Framework 5.3.0 through 5.3.48.
{
"nvd_published_at": "2026-06-09T05:16:37Z",
"severity": "HIGH",
"github_reviewed": true,
"cwe_ids": [
"CWE-190"
],
"github_reviewed_at": "2026-07-30T16:52:21Z"
}