Vulnerability in Spring Framework
CVE-2026-41850
Applications that evaluate user-supplied Spring Expression Language (SpEL) expressions are vulnerable to an Algorithmic Denial of Service (DoS). By providing a specially crafted expression, an attacker can trigger excessive resource consumption during evaluation, leading to application degradation or unavailability. 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (37.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001
Affected products
- Spring Framework — versions 7.0.0, 6.2.0, 6.1.0
- VMware Spring Framework
Weakness classification (CWE)
References
- spring.io/security/cve-2026-41850 (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-41850?
- CVE-2026-41850 is a high-severity vulnerability in Spring Framework, classified under Inefficient Algorithmic Complexity. CVSS score: 7.5/10. Published 2026-06-09.
- How severe is CVE-2026-41850?
- High severity. CVSS v3 base score is 7.5 out of 10.