How severe is CVE-2026-47879?

CVE-2026-47879 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-47879 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-47879?

CVE-2026-47879 affects Vmware Spring Cloud Gateway. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-47879?

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-2026-47879 published?

CVE-2026-47879 was published on 2026-08-27 and last updated on 2026-09-10.

CVE-2026-47879

CVE-2026-47879 is a high-severity vulnerability in Vmware Spring Cloud Gateway with a CVSS 3.x base score of 7.7. 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-918.

Key facts

Severity: High (CVSS 3.x base score 7.7)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Vmware Spring Cloud Gateway
Published: 2026-08-27
Last modified: 2026-09-10

Description

Spring Cloud Gateway JsonToGrpcGatewayFilterFactory allows arbitrary Spring Resource locations for defining the proto descriptor. Spring Cloud Gateway 5.0.0 - 5.0.2 Spring Cloud Gateway 4.3.0 - 4.3.5 Spring Cloud Gateway 4.0.0 - 4.2.9 Spring Cloud Gateway 3.1.13 and earlier

Frequently asked questions

What is CVE-2026-47879?: Spring Cloud Gateway JsonToGrpcGatewayFilterFactory allows arbitrary Spring Resource locations for defining the proto descriptor. Spring Cloud Gateway 5.0.0 - 5.0.2 Spring Cloud Gateway 4.3.0 - 4.3.5 Spring Cloud Gateway 4.0.0 - 4.2.9 Spring Cloud Gateway 3.1.13 and earlier
How severe is CVE-2026-47879?: CVE-2026-47879 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-47879 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-47879?: CVE-2026-47879 affects Vmware Spring Cloud Gateway. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-47879?: 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-2026-47879 published?: CVE-2026-47879 was published on 2026-08-27 and last updated on 2026-09-10.

References

https://spring.io/security/cve-2026-47879

Affected products (1)

cpe:2.3:a:vmware:spring_cloud_gateway:*:*:*:*:*:*:*:*

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