CVE-2026-40977

Medium

Description

When an application is configured to use `ApplicationPidFileWriter`, a local attacker with write access to the PID file's location can corrupt one file on the host each time the application is started. 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); PID file / symlink behavior (`ApplicationPidFileWriter`). Versions that are no longer supported are also affected per vendor advisory.

SeverityMedium
CVSS4.7
Exploit probability—
ProductVmware Spring Boot
PublishedApr 28, 2026
First seenApr 28, 2026

How to fix

Update
  • vmware spring_boot2.7.33, 3.3.19, 3.4.16, 3.5.14, 4.0.6 or later
  • org.springframework.boot:spring-boot-cassandra4.0.6, 3.5.14 or later

Affected products

ProductAffected versionsFixed in
vmware spring_bootv < 2.7.33, 3.3.0 ≤ v < 3.3.19, 3.4.0 ≤ v < 3.4.16, 3.5.0 ≤ v < 3.5.14, 4.0.0 ≤ v < 4.0.62.7.33, 3.3.19, 3.4.16, 3.5.14, 4.0.6
org.springframework.boot:spring-boot-cassandraMaven4.0.0 ≤ v < 4.0.6, 3.5.0 ≤ v < 3.5.14, 3.4.0 ≤ v ≤ 3.4.15, 3.3.0 ≤ v ≤ 3.3.18, v ≤ 2.7.324.0.6, 3.5.14

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CVE-2026-40977 · Vmware Spring Boot · Dark Radar