CVE Vulnerabilities

CVE-2026-40972

Observable Timing Discrepancy

Published: Apr 28, 2026 | Modified: Apr 30, 2026
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
7.5 MODERATE
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Ubuntu
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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.

Weakness

Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not.

Affected Software

NameVendorStart VersionEnd Version
Spring_bootVmware*2.7.33 (excluding)
Spring_bootVmware3.3.0 (including)3.3.19 (excluding)
Spring_bootVmware3.4.0 (including)3.4.16 (excluding)
Spring_bootVmware3.5.0 (including)3.5.14 (excluding)
Spring_bootVmware4.0.0 (including)4.0.6 (excluding)
HawtIO HawtIO 4.4.0RedHatspring-boot*
Red Hat build of Apache Camel 4.18.1 for Spring Boot 3.5.14RedHatspring-boot*
Red Hat OpenShift Dev Spaces 3.28RedHatdevspaces/openvsx-rhel9:1779528224*
Red Hat OpenShift Dev Spaces 3.28RedHatdevspaces/pluginregistry-rhel9:1779359423*

References