CVE-2026-40972
Published: Apr 27, 2026
Modified: Apr 29, 2026
CVSS v3.1
7.5
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.
| Vendor | Product | Versions |
|---|---|---|
Spring | Spring Boot | affected 4.0.0 - < 4.0.6affected 3.5.0 - < 3.5.14affected 3.4.0 - < 3.4.16affected 3.3.0 - < 3.3.19affected 2.7.0 - < 2.7.33 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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