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CVE-2026-40972

Quick assessment

Affected
Spring Spring Boot
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

VMware Spring Boot是美国威睿（VMware）公司的一套开源框架。 VMware Spring Boot 4.0.0至4.0.5版本、3.5.0至3.5.13版本、3.4.0至3.4.15版本、3.3.0至3.3.18版本和2.7.0至2.7.32版本存在安全漏洞，该漏洞源于DevTools远程密钥比较存在时序攻击，可能导致攻击者确定远程密钥并上传更改的类，从而实现远程代码执行。

CVSS 7.5 · High EPSS 0.33% · P23

Affected Version Matrix 5

VendorProduct Version RangeStatus
Spring Spring Boot 4.0.0< 4.0.6 affected
3.5.0< 3.5.14 affected
3.4.0< 3.4.16 affected
3.3.0< 3.3.19 affected
2.7.0< 2.7.33 affected
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I. Basic Information for CVE-2026-40972

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An attacker on the same network as the remote application may be able to utilize a timing attack to discover information about the remote secret. In extreme circumstances this could result in the attacker determining the secret and uploading changed classes, thereby achieving remote code execution in the remote application. Affected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14), 3.4.0–3.4.15 (fix 3.4.16), 3.3.0–3.3.18 (fix 3.3.19), 2.7.0–2.7.32 (fix 2.7.33); DevTools remote secret comparison. Versions that are no longer supported are also affected per vendor advisory.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
通过时间差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
VMware Spring Boot 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
VMware Spring Boot是美国威睿（VMware）公司的一套开源框架。 VMware Spring Boot 4.0.0至4.0.5版本、3.5.0至3.5.13版本、3.4.0至3.4.15版本、3.3.0至3.3.18版本和2.7.0至2.7.32版本存在安全漏洞，该漏洞源于DevTools远程密钥比较存在时序攻击，可能导致攻击者确定远程密钥并上传更改的类，从而实现远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Spring Spring Boot 4.0.0 ~ 4.0.6 -

II. Public POCs for CVE-2026-40972

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III. Intelligence Information for CVE-2026-40972

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Vendor Advisories for CVE-2026-40972 (1)

Same Patch Batch · Spring · 2026-04-27 · 8 CVEs total

CVE-2026-40976 9.1 CRITICAL VMware Spring Boot 安全漏洞
CVE-2026-40973 7.0 HIGH VMware Spring Boot 安全漏洞
CVE-2026-40970 5.0 MEDIUM VMware Spring Boot 信任管理问题漏洞
CVE-2026-40971 5.0 MEDIUM VMware Spring Boot 信任管理问题漏洞
CVE-2026-40974 5.0 MEDIUM VMware Spring Boot 信任管理问题漏洞
CVE-2026-40975 4.8 MEDIUM VMware Spring Boot 安全特征问题漏洞
CVE-2026-40977 4.7 MEDIUM VMware Spring Boot 后置链接漏洞

IV. Related Vulnerabilities

Same product: Spring Boot
Same vendor: Spring
Same weakness: CWE-208

V. Comments for CVE-2026-40972

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