How severe is CVE-2026-47858?

CVE-2026-47858 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-47858 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-2026-47858?

CVE-2026-47858 primarily affects Broadcom Spring Tools. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-47858?

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-2026-47858 published?

CVE-2026-47858 was published on 2026-07-30 and last updated on 2026-09-08.

CVE-2026-47858

CVE-2026-47858 is a high-severity vulnerability in Broadcom Spring Tools with a CVSS 3.x base score of 8.0. 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-306.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Broadcom Spring Tools
Published: 2026-07-30
Last modified: 2026-09-08

Description

Starting Spring Boot applications in the Spring Tools with the live information mode enabled makes the running application vulnerable against JMX-based remote code execution. Affected Spring Products and Versions: Spring Tools for Eclipse: 5.2.0 and earlier Spring Tools for VSCode / Cursor / Theia: 2.2.0 and earlier

Frequently asked questions

What is CVE-2026-47858?: Starting Spring Boot applications in the Spring Tools with the live information mode enabled makes the running application vulnerable against JMX-based remote code execution. Affected Spring Products and Versions: Spring Tools for Eclipse: 5.2.0 and earlier Spring Tools for VSCode / Cursor / Theia: 2.2.0 and earlier
How severe is CVE-2026-47858?: CVE-2026-47858 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-47858 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-2026-47858?: CVE-2026-47858 primarily affects Broadcom Spring Tools. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-47858?: 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-2026-47858 published?: CVE-2026-47858 was published on 2026-07-30 and last updated on 2026-09-08.

References

https://spring.io/security/cve-2026-47858

Affected products (4)

cpe:2.3:a:broadcom:spring_tools:*:*:*:*:*:cursor:*:*
cpe:2.3:a:broadcom:spring_tools:*:*:*:*:*:theia:*:*
cpe:2.3:a:broadcom:spring_tools:*:*:*:*:*:visual_studio_code:*:*
cpe:2.3:a:broadcom:spring_tools:*:*:*:*:*:eclipse:*:*

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