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CVE-2026-47891

VMware Spring Framework denial of service

9.8 CRITICALEPSS 0.52%
  1. Published27 Aug 2026

Description

A Spring WebFlux application that relies on the Aalto XML processor to parse XML input does not correctly enforce the maxInMemorySize limit. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49 Spring Framework 5.2.25.RELEASE and earlier

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

VMware Spring Framework≥ 5.3.0 < 5.3.50 · ≥ 6.0.0 < 6.0.31 · ≥ 6.1.0 < 6.1.29 · ≥ 6.2.0 < 6.2.20

Remediation

Fixed in
VMware Spring Framework≥ 5.3.50

References

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Frequently asked

Is CVE-2026-47891 being actively exploited?

CVE-2026-47891 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.52%.

How severe is CVE-2026-47891?

CVE-2026-47891 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.52% probability of exploitation.

Which products are affected by CVE-2026-47891?

Affected products include VMware Spring Framework.

How do I fix CVE-2026-47891?

Upgrade affected software to a fixed version, for example VMware Spring Framework 5.3.50 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-47891 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.