{"id":"GHSA-775g-4xr8-78h8","summary":"Spring Framework Denial of Service via Integer Overflow in SpEL Expressions","details":"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).\n\nAffected versions:\nSpring Framework 5.3.0 through 5.3.48.","aliases":["CVE-2026-41849"],"modified":"2026-07-30T17:11:43.450555Z","published":"2026-06-09T06:31:58Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2026-07-30T16:52:21Z","nvd_published_at":"2026-06-09T05:16:37Z","cwe_ids":["CWE-190"],"severity":"HIGH"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41849"},{"type":"PACKAGE","url":"https://github.com/spring-projects/spring-framework"},{"type":"WEB","url":"https://spring.io/security/cve-2026-41849"}],"affected":[{"package":{"name":"org.springframework:spring-expression","ecosystem":"Maven","purl":"pkg:maven/org.springframework/spring-expression"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"5.3.39"}]}],"versions":["3.0.0.RELEASE","3.0.1.RELEASE","3.0.2.RELEASE","3.0.3.RELEASE","3.0.4.RELEASE","3.0.5.RELEASE","3.0.6.RELEASE","3.0.7.RELEASE","3.1.0.RELEASE","3.1.1.RELEASE","3.1.2.RELEASE","3.1.3.RELEASE","3.1.4.RELEASE","3.2.0.RELEASE","3.2.1.RELEASE","3.2.10.RELEASE","3.2.11.RELEASE","3.2.12.RELEASE","3.2.13.RELEASE","3.2.14.RELEASE","3.2.15.RELEASE","3.2.16.RELEASE","3.2.17.RELEASE","3.2.18.RELEASE","3.2.2.RELEASE","3.2.3.RELEASE","3.2.4.RELEASE","3.2.5.RELEASE","3.2.6.RELEASE","3.2.7.RELEASE","3.2.8.RELEASE","3.2.9.RELEASE","4.0.0.RELEASE","4.0.1.RELEASE","4.0.2.RELEASE","4.0.3.RELEASE","4.0.4.RELEASE","4.0.5.RELEASE","4.0.6.RELEASE","4.0.7.RELEASE","4.0.8.RELEASE","4.0.9.RELEASE","4.1.0.RELEASE","4.1.1.RELEASE","4.1.2.RELEASE","4.1.3.RELEASE","4.1.4.RELEASE","4.1.5.RELEASE","4.1.6.RELEASE","4.1.7.RELEASE","4.1.8.RELEASE","4.1.9.RELEASE","4.2.0.RELEASE","4.2.1.RELEASE","4.2.2.RELEASE","4.2.3.RELEASE","4.2.4.RELEASE","4.2.5.RELEASE","4.2.6.RELEASE","4.2.7.RELEASE","4.2.8.RELEASE","4.2.9.RELEASE","4.3.0.RELEASE","4.3.1.RELEASE","4.3.10.RELEASE","4.3.11.RELEASE","4.3.12.RELEASE","4.3.13.RELEASE","4.3.14.RELEASE","4.3.15.RELEASE","4.3.16.RELEASE","4.3.17.RELEASE","4.3.18.RELEASE","4.3.19.RELEASE","4.3.2.RELEASE","4.3.20.RELEASE","4.3.21.RELEASE","4.3.22.RELEASE","4.3.23.RELEASE","4.3.24.RELEASE","4.3.25.RELEASE","4.3.26.RELEASE","4.3.27.RELEASE","4.3.28.RELEASE","4.3.29.RELEASE","4.3.3.RELEASE","4.3.30.RELEASE","4.3.4.RELEASE","4.3.5.RELEASE","4.3.6.RELEASE","4.3.7.RELEASE","4.3.8.RELEASE","4.3.9.RELEASE","5.0.0.RELEASE","5.0.1.RELEASE","5.0.10.RELEASE","5.0.11.RELEASE","5.0.12.RELEASE","5.0.13.RELEASE","5.0.14.RELEASE","5.0.15.RELEASE","5.0.16.RELEASE","5.0.17.RELEASE","5.0.18.RELEASE","5.0.19.RELEASE","5.0.2.RELEASE","5.0.20.RELEASE","5.0.3.RELEASE","5.0.4.RELEASE","5.0.5.RELEASE","5.0.6.RELEASE","5.0.7.RELEASE","5.0.8.RELEASE","5.0.9.RELEASE","5.1.0.RELEASE","5.1.1.RELEASE","5.1.10.RELEASE","5.1.11.RELEASE","5.1.12.RELEASE","5.1.13.RELEASE","5.1.14.RELEASE","5.1.15.RELEASE","5.1.16.RELEASE","5.1.17.RELEASE","5.1.18.RELEASE","5.1.19.RELEASE","5.1.2.RELEASE","5.1.20.RELEASE","5.1.3.RELEASE","5.1.4.RELEASE","5.1.5.RELEASE","5.1.6.RELEASE","5.1.7.RELEASE","5.1.8.RELEASE","5.1.9.RELEASE","5.2.0.RELEASE","5.2.1.RELEASE","5.2.10.RELEASE","5.2.11.RELEASE","5.2.12.RELEASE","5.2.13.RELEASE","5.2.14.RELEASE","5.2.15.RELEASE","5.2.16.RELEASE","5.2.17.RELEASE","5.2.18.RELEASE","5.2.19.RELEASE","5.2.2.RELEASE","5.2.20.RELEASE","5.2.21.RELEASE","5.2.22.RELEASE","5.2.23.RELEASE","5.2.24.RELEASE","5.2.25.RELEASE","5.2.3.RELEASE","5.2.4.RELEASE","5.2.5.RELEASE","5.2.6.RELEASE","5.2.7.RELEASE","5.2.8.RELEASE","5.2.9.RELEASE","5.3.0","5.3.1","5.3.10","5.3.11","5.3.12","5.3.13","5.3.14","5.3.15","5.3.16","5.3.17","5.3.18","5.3.19","5.3.2","5.3.20","5.3.21","5.3.22","5.3.23","5.3.24","5.3.25","5.3.26","5.3.27","5.3.28","5.3.29","5.3.3","5.3.30","5.3.31","5.3.32","5.3.33","5.3.34","5.3.35","5.3.36","5.3.37","5.3.38","5.3.39","5.3.4","5.3.5","5.3.6","5.3.7","5.3.8","5.3.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-775g-4xr8-78h8/GHSA-775g-4xr8-78h8.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}