CVE-2026-41849
7.5
HIGH
CVSS 3.1
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.
How to fix CVE-2026-41849
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/libspring-java—no fix listed
Is CVE-2026-41849 being exploited?
No exploitation signal available. Neither CISA KEV nor a current EPSS score has been published for CVE-2026-41849.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |