Is CVE-2026-41840 in the CISA KEV catalog?

No. CVE-2026-41840 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-41840?

CVE-2026-41840 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2026-41840?

CVE-2026-41840 has an EPSS score of 0.25% (16th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-41840?

Upgrade spring framework to 7.0.7.1 or later.

CVE & CISA-KEV Catalog

CVE-2026-41840

MEDIUM

5.9

CVSS v3

NVD

Description

Spring WebFlux applications are vulnerable to Denial of Service (DoS) attacks when processing multipart requests. 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.

CWE-401Missing Release of Memory (Memory Leak)

How to fix

Remediation Available

spring frameworkNVD

Affected:>= 7.0.0, < 7.0.7.1Fixed in:7.0.7.1CVE-2026-41840derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.25%probability of exploitation in 30 days

16thpercentile

Low risk: more likely to be exploited than 16% of all known CVEs.

References

Vendor Advisory1

spring.io

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-26.