How severe is CVE-2026-47893?

CVE-2026-47893 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-47893 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-47893?

CVE-2026-47893 affects Vmware Spring Framework. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-47893?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-47893 published?

CVE-2026-47893 was published on 2026-08-27 and last updated on 2026-09-01.

CVE-2026-47893

CVE-2026-47893 is a high-severity vulnerability in Vmware Spring Framework with a CVSS 3.x base score of 7.5. 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-209.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-209
Affected product: Vmware Spring Framework
Published: 2026-08-27
Last modified: 2026-09-01

Description

A Spring WebFlux application that supports WebSocket connections may expose indirectly sensitive user information by including request headers in an exception reason. 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

Frequently asked questions

What is CVE-2026-47893?: A Spring WebFlux application that supports WebSocket connections may expose indirectly sensitive user information by including request headers in an exception reason. 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
How severe is CVE-2026-47893?: CVE-2026-47893 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-47893 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-47893?: CVE-2026-47893 affects Vmware Spring Framework. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-47893?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-47893 published?: CVE-2026-47893 was published on 2026-08-27 and last updated on 2026-09-01.

References

https://spring.io/security/cve-2026-47893

Affected products (1)

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

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