High severity7.5NVD Advisory· Published Jun 9, 2026· Updated Jun 9, 2026
CVE-2026-41849
CVE-2026-41849
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.springframework:spring-expressionMaven | <= 5.3.39 | — |
Affected products
2- Range: 5.3.0 - 5.3.48
Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-775g-4xr8-78h8ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-41849ghsaADVISORY
- spring.io/security/cve-2026-41849nvdVendor AdvisoryWEB
News mentions
1- Spring Framework: 13 Vulnerabilities Disclosed on June 9, 2026Vypr Intelligence · Jun 9, 2026