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CVE-2026-40972

Опубликовано: 27 апр. 2026
Источник: redhat
CVSS3: 7.5

Описание

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.

A flaw was found in Spring Boot. An attacker on the same network as the remote application may be able to utilize a timing attack to discover information about a remote secret. In extreme circumstances, this could allow the attacker to determine the secret and upload changed classes, leading to remote code execution in the remote application.

Меры по смягчению последствий

To mitigate this issue, disable the Spring Boot DevTools remote functionality in production environments. This feature is primarily intended for development and should not be enabled in publicly accessible deployments. To disable remote DevTools, ensure the spring.devtools.remote.secret property is not configured, or explicitly set spring.devtools.remote.enabled=false in your application's application.properties or application.yml file. Example for application.properties: spring.devtools.remote.enabled=false Disabling this feature may impact development workflows that rely on remote DevTools capabilities. A restart of the application is required for the changes to take effect.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat AMQ Broker 7spring-bootNot affected
Red Hat AMQ Clientsspring-bootNot affected
Red Hat build of OptaPlanner 8spring-bootAffected
Red Hat Data Grid 8spring-bootNot affected
Red Hat Enterprise Linux 8log4j:2/log4jNot affected
Red Hat Enterprise Linux 9log4jNot affected
Red Hat Fuse 7spring-bootWill not fix
Red Hat JBoss Enterprise Application Platform 7spring-bootNot affected
Red Hat JBoss Enterprise Application Platform 8spring-bootNot affected
Red Hat JBoss Enterprise Application Platform Expansion Packspring-bootNot affected

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-208
https://bugzilla.redhat.com/show_bug.cgi?id=2463332Spring Boot: Spring Boot: Remote code execution via timing attack in DevTools remote secret comparison

7.5 High

CVSS3

Связанные уязвимости

CVSS3: 7.5
nvd
4 месяца назад

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.

CVSS3: 7.5
github
4 месяца назад

Spring Boot DevTools remote secret comparison is vulnerable to timing attacks

7.5 High

CVSS3