VMware Spring Framework up to 7.0.8 RSocket Setup Frame memory leak

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k1.25

Summaryinfo

A vulnerability was found in VMware Spring Framework up to 7.0.8. It has been rated as problematic. The impacted element is an unknown function of the component RSocket Setup Frame. The manipulation leads to memory leak. This vulnerability is referenced as CVE-2026-47888. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in VMware Spring Framework up to 7.0.8 and classified as problematic. This issue affects an unknown function of the component RSocket Setup Frame. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability. The summary by CVE is:

A Spring RSocket application is exposed to a memory leak via a malformed SETUP frame. 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 5.2.0.RELEASE - 5.2.25.RELEASE

It is possible to read the advisory at spring.io. The identification of this vulnerability is CVE-2026-47888 since 05/20/2026. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/27/2026). The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-2955). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • VMware Tanzu Spring Framework

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/20/2026 CVE reserved
08/27/2026 +99 days Advisory disclosed
08/27/2026 +0 days VulDB entry created
08/27/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: vmware.com

Advisory: spring.io
Status: Not defined

CVE: CVE-2026-47888 (🔒)
GCVE (CVE): GCVE-0-2026-47888
GCVE (VulDB): GCVE-100-396095
CERT Bund: WID-SEC-2026-2955 - VMware Tanzu Spring Framework: Mehrere Schwachstellen

scip Labs: https://www.scip.ch/en/?labs.20060413

Entryinfo

Created: 08/27/2026 08:43
Updated: 08/27/2026 15:31
Changes: 08/27/2026 08:43 (52), 08/27/2026 15:31 (7)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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