Medium 5.3Published Jun 8, 2026

CVE-2026-41851Spring Framework Denial of Service via Unbounded Cache in SpEL

Updated under an hour ago (Oct 27, 2026, 3:40 PM ET)

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It affects Spring Framework and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Spring Framework

Exploited in the last 30 days

Applications which accept user-supplied Spring Expression Language (SpEL) expressions may be vulnerable to a Denial of Service (DoS) attack if the evaluation of a SpEL expression triggers unbounded cache growth. 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.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness (CWE): CWE-770
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: vmware
NVD analysis: Analyzed
Record last updated: Jun 27, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Spring Spring Framework spring:framework (from the name)	from 7.0.0 before 7.0.7.1; from 6.2.0 before 6.2.18.1; from 6.1.0 before 6.1.28; from 5.3.0 before 5.3.49	CNA record
vmware spring_framework vmware:spring_framework	from 5.3.0 before 5.3.49; from 6.1.0 before 6.1.28; from 6.2.0 before 6.2.18.1; from 7.0.0 before 7.0.7.1	NVD

References

References

https://spring.io/security/cve-2026-41851	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.