How severe is CVE-2026-41840?

CVE-2026-41840 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-41840 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-41840?

CVE-2026-41840 affects Vmware Spring Framework. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41840?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-41840 have an EU (EUVD) identifier?

Yes. CVE-2026-41840 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35327.

When was CVE-2026-41840 published?

CVE-2026-41840 was published on 2026-06-09 and last updated on 2026-06-26.

CVE-2026-41840

CVE-2026-41840 is a medium-severity vulnerability in Vmware Spring Framework with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-401.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-35327
Weakness: CWE-401
Affected product: Vmware Spring Framework
Published: 2026-06-09
Last modified: 2026-06-26

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.

Frequently asked questions

What is CVE-2026-41840?: 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.
How severe is CVE-2026-41840?: CVE-2026-41840 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-41840 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-41840?: CVE-2026-41840 affects Vmware Spring Framework. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41840?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-41840 have an EU (EUVD) identifier?: Yes. CVE-2026-41840 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35327.
When was CVE-2026-41840 published?: CVE-2026-41840 was published on 2026-06-09 and last updated on 2026-06-26.

References

https://spring.io/security/cve-2026-41840

Affected products (1)

cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*

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